Meet the Team
Y2 Consultants is a certified, woman-owned small business specializing in engineering, natural resources management, GIS, landscape architecture, land surveying and land planning whose founders have more than 50 years’ experience in their respective fields. Founded in 2010 by Brenda Younkin and Zia Yasrobi, our mission is to serve our clients by providing cost-effective and innovative solutions. Whether you need engineering or natural resources services, we will find a collaborative, efficient way to complete your project to meet your needs.
Zia Yasrobi, PE
Zia moved to Jackson in 1978 and decided he did not want to leave this great community. After founding Y2 with wife Brenda Younkin, Zia has focused on providing a wide array of engineering services in Wyoming, Utah, and Florida. Zia holds a Class A Contractor license in the Town of Jackson and is licensed to practice engineering in 11 states. Zia gives back to the community in many ways, but his primary focus is in the Elks Club and Lions Club.
Owner/Natural Resources Specialist
Brenda Younkin, MS, CRMC
A native of Nebraska, Brenda completed graduate school at Utah State University and found her home in the mountains in 2001. After founding Y2 with husband Zia Yasrobi in 2010, Brenda stayed in touch with her ranching roots by working with federal land permittees and land management agencies to complete vegetation monitoring and grazing term permit renewals on federal lands. Brenda has extensive experience with NEPA, land use plan development, and standards and guidelines development. Brenda is a former skater for and big fan of the Jackson Hole Juggernauts roller derby league, serving as their treasurer for 6 years. Whenever she can, Brenda also volunteers her time with Community Safety Network and other community organizations.
Public Relations Specialist
Cody is a Wyoming native, raised on South Pass and in Cody. He graduated with a journalism degree from the University of Wyoming in 1988. He’s worked in the newspaper business, and for the past 29 years, for the State of Wyoming — first at the Wyoming Game and Fish Department (Wyoming Wildlife Magazine as associate editor/photographer) and currently at the Wyoming Department of Transportation as a senior public relations specialist and tribal liaison. He also works at the Wind River Radio Network, mainly as a play-by-play commentator for the Riverton Wolverines, Wyoming Indian Lady Chiefs and Chiefs, and Riverton Raiders baseball. Cody’s experience is about working with people to improve situations; providing information by being the best, first source of information; and working toward win-win solutions.
Bree Burton, MS
Bree is the Range Scientist at Y2 Consultants. Bree grew up in Challis, Idaho where she gained her passion for working with ranchers and public lands. Bree has been with Y2 for two and half years and focuses on coordinating the process for public land grazing permit renewals. Bree works with ranchers and federal land agencies across the west to assist with all aspects of the NEPA process including Land Health Evaluations and Environmental Assessments. In her free time, Bree enjoys camping, fishing, archery and exploring the great outdoors with her three dogs.
Rangeland Wildlife Specialist
Russell has been a Rangeland Wildlife Specialist at Y2 since 2016. He is a true Wyoming native, born and raised. He grew up in Saratoga, attended the University of Wyoming, and now lives near Pinedale. He is an avid hunter, fishermen, archer, and outdoorsman, and is very involved in the Sublette County 4-H program. Russell’s expertise at Y2 includes rangeland, habitat, and wildlife management; vegetation data collection, analysis, interpretation, and reporting; interagency coordination; study design and implementation; and habitat improvement planning.
Fun fact: Russell achieved the rank of Eagle Scout through Boy Scouts of America and has received his American Degree through the National FFA Organization.
Shelby Carlson, PE
Shelby is a Wyoming native, raised in Riverton. She obtained a Civil Engineering degree from the University of Wyoming in 1987. She worked for the last 30 years for the State of Wyoming at the Department of Transportation and the State Construction Department. Shelby’s experience has focused on transportation engineering, contract administration, project management, and leadership. Shelby joined Y2 Consultants in January 2021. In her spare time, Shelby is involved in the Cheyenne Engineer’s Club, the Wyoming Engineering Society, and P.E.O. She enjoys spending time with family and friends, and many activities that get her into the Wyoming outdoors.
Co-Manager, Civil Engineering Department
Katie Creasey, PE
Katie is the co-manager of the Civil Engineering Department and has been with Y2 since 2015. She grew up in the land of 10,000 lakes, earned a degree in Chemical engineering at MIT and a degree in Civil and Environmental Engineering at Stanford, then moved to Jackson to get away from the density on the coasts. Her interests include water resources management, stormwater management, water distribution systems, and site planning and grading. She is licensed as a Professional Engineer in Wyoming, Idaho, and Utah, and is currently serving as the secretary of the Wyoming Society of Professional Engineers. When not at the office, Katie spends her time trying to become an official Jackson local by skiing, mountain biking, and hiking as much as possible.
Carrie has been an Office Manager at Y2 Consultants since July 2013. She grew up in Michigan and moved out west 36 years ago to be closer to her family. Carrie lived in the Jackson area for 16 years and is now working remotely from Boise, Idaho. (Technology is a wonderful thing!) Prior to Carrie joining the Y2 team, she worked in the medical and legal field.
Forest Davidson, EIT
Forest has been a structural engineer at Y2 since the fall of 2019. His love for the outdoors and the mountains brought him to Wyoming from Missouri. He grew up in Moberly, Missouri and attended the University of Missouri, where he received a degree in Civil Engineering. He has a passion for hunting, fishing, and the outdoors. Forest’s expertise at Y2 is structural design of materials including steel, timber, concrete, and masonry.
Landscape Architecture Studio Lead
Patricia Ehrman, PLA, LEED
Patricia returned to her family’s Wyoming roots, moving to Jackson in 1988 where she worked for a local engineering firm and a landscape architecture firm, and then operated her own landscape architecture design firm. She joined the Y2 team in 2013, filling the role of Landscape Architecture Studio Lead. Her expertise includes design, permitting and construction detailing for site and landscape planning projects ranging from small residences to urban commercial properties to large parks.
Human Resources and Marketing Manager
Sara joined Y2 Consultants in 2020 as Human Resources and Marketing Manager. She has 20+ years’ experience in organizational development and operations, systems and strategy. She is a generalist with extensive experience in human resources, marketing and communications, finance, grant and proposal writing, and technical editing. Prior to Y2, Sara was the Operations Director at the Jackson Hole Children’s Museum. Sara has also consulted regularly for local nonprofits, including the Center for Jackson Hole, Children’s Grand Adventure, JH Trout Unlimited, and Northern Rockies Conservation Cooperative. Sara holds a master’s degree from Duke University. In her free time, she enjoys running, reading, volunteering for her local community, and exploring the Greater Yellowstone Ecosystem with her husband, Chris, daughter, Dani, and dog, Moxie.
Survey Department Manager
Mark Fellermann, PLS
Mark has been surveying in the Greater Yellowstone Ecosystem for 15 years. He cut his teeth in the woods of Minnesota, grew up in Upstate New York and received his formal education in Charlottesville, Virginia. Mountaineering on snow and rock, gardening, and canoeing are the passions that have kept him close to Jackson for the last 20 years.
Jacob Gardner, PE
Jake has been a Civil Engineer at Y2 since 2018. A native of Florida, Jake traded in the waves and sunshine for the mountains to enjoy climbing and hiking. Jake received a B.S. degree in Civil and Environmental Engineering and began a career in Land Development where he developed a skill set in road and utilities design. In his time at Y2, Jake has completed numerous projects ranging from simple site grading to stream restoration. Jake’s first visit to Wyoming was when he attended an outdoor educators course through the National Outdoor Leadership School in the summer of 2015.
Danielle is a Rangeland Field Crew Lead with Y2. Originally from Idaho, Danielle moved to Jackson three years ago to enjoy the outdoor opportunities and working with Y2. Danielle specializes in field data collection and planning, data QA/QC, and crew management. During the summers Danielle enjoys working in the field and skating the trails around Jackson.
Ryan Maye Handy
Ryan joined Y2 Consultants in 2021 as a Planner. Ryan was born and raised in Santa Fe, New Mexico. She majored in Russian in college, lived in Russia for a while and got a masters degree in journalism from Columbia University. She has worked as a journalist for four newspapers in Colorado and Texas, and was most recently a reporter covering utilities and oil and gas regulation for the Houston Chronicle. She left journalism to become an urban planner in 2019 and is in her last semester of a masters in urban and regional planning with the University of Colorado – Denver. In her free time, she’s a backcountry and cross-country skier, an avid cyclist, rock climber, knitter and aspiring cellist.
Skyler Helffrich, PE
Skyler was born and raised in Baltimore, Maryland. After graduating from UMASS Amherst in 2015, Skyler moved back to Baltimore to start his career as a transportation planner and roadway designer. He then moved back north to Boston after a few years and continued his work as a roadway designer. His love of the mountains however soon brought him out west. Skyler has been a Civil Engineer with Y2 Consultants since 2018. Skyler’s work has spanned from North Carolina, South Carolina, Virginia, the District of Columbia, Maryland, Delaware, Massachusetts, Connecticut, New Hampshire, and Wyoming. Skyler’s area of expertise is road and pathway planning and design.
Tyler Klos, EIT
Tyler grew up in Wisconsin, the land of cheese and the Green Bay Packers. Tyler received a B.S. degree in Civil and Environmental Engineering from the University of Wisconsin. His career path started near his hometown where he gained experience in site planning, grading, and stormwater management. Typical projects in the region ranged from apartment buildings, schools, hospitals, and commercial developments. He decided to make the move to Jackson to explore the Tetons skiing, fishing, hiking, and camping with his wife and dog.
Senior Civil Engineer
Delbert McOmie, PE
Del joined the Y2/Western team in January of 2020. Del is a Wyoming Native, born and raised in Lander, Wyoming. He was fortunate to have lived, worked, and explored many areas of Wyoming during his working career. He obtained a Civil Engineering Degree from the University of Wyoming and is a Licensed Civil Engineer. He worked for the State of Wyoming for over 40 years, 35 of those with the Wyoming Department of Transportation, including 15 years as Chief Engineer. His last 5 years, he worked as Director of the School Facilities Department and State Construction Department. His experience spans both Transportation and Building Renovation/Construction and Major Maintenance. Del is a member of Cheyenne Engineers Club, Wyoming Engineering Society, and National Society of Professional Engineers. He is also a Graduate of Leadership Wyoming, class of 2004. In his spare time Del can be found in Wyoming’s Great Outdoors.
Ryan has worked as a Survey Technician at Y2 since 2020. Ryan grew up in Southwestern Ohio and moved out west after graduating from Hocking College in 2002. Ryan started his surveying career in Southern California and eventually spent 5 years surveying the Pacific Northwest. He moved to Teton Valley in 2009 where he met his wife and has a son and 2 dogs. In his free time, Ryan enjoys working on his house, camping, woodworking, and spending time with his family.
Kosha has over 20 years of marketing, communication, and program management experience, primarily in Wyoming’s agriculture sector. Most recently she spent ten years as the director of communications for the Wyoming Stock Growers Association and six years as program director for the Wyoming Beef Council. Kosha grew up on the farm her great-grandmother homesteaded in 1908 near Albin, WY, attended Northwest College in Powell for two years, and transferred to Kean University in New Jersey to complete a bachelor’s degree in communication. Kosha and her husband, Brian, live in Cheyenne where Brian is the administrator for the Wyoming Department of Transportation Aeronautics Division. They have three children – son Finn entering 3rd grade, and twins Ian and Ivy entering 2nd grade. Kosha’s hobbies include cooking, traveling, and playing the piano. She also sits on the board of directors for her local electric cooperative, High West Energy.
Avery is a Georgia native who has recently relocated to Moose, Wyoming, with her husband and two dogs. She has previously worked in both the medical and construction fields and has a background in office administration and bookkeeping. In her free-time, Avery enjoys just about any outdoor activity including gardening, fishing, horseback riding, and exploring the mountains on her dirt bike.
Senior Planner Emeritus
Scott Pierson, PLS
Scott is a leading and respected figure, locally, regionally and state-wide. He has a thorough understanding of the issues facing the valley and the region, mediating land disputes, and testifying on land- and survey-related litigation. Scott began his surveying career in Jackson in 1980, subsequently establishing Pierson Land Surveys, which added landscape architecture and planning departments in the 90’s. Following the firm’s acquisition in 2017, Scott remained aboard to loan his expertise on complex land planning issues to Y2’s clients.
David has over 30 years of experience in the engineering and construction industry in various roles including subcontract management, project management, CFO and, most recently, as the Commercial Director on 4 large LNG (liquefied natural gas) projects. He has a bachelors degree in naval architecture and ocean engineering from Glasgow University, a masters from University College London (UCL) and an MBA from Cranfield University.
David grew up in Scotland, moved down to England after University and then came out to Houston some 20 years ago. He moved to Jackson a year ago with his wife, Brooke, and their 3 year old son, Duncan.
He loves to sail, ski, hike and bike and can also be found volunteering at local Lions Club events.
Senior GIS Project Manager
John Rogers, MS
Migrating from the mountains of the Sierras and Cascades, John joined Y2 in 2020 as the Senior GIS Project Manager. He has a BA in Environmental Studies and BS in Geography from the University of Oregon, and a Graduate Certificate in GIS and MS in Geography from Portland State University. With experience in both the government and private sectors, his areas of expertise include geospatial analysis and statistics, data standardization, development and quality, natural resource management and assessment, digital terrain analysis, climate science and hydrology, along with a passion for cartography. John spends his recreation time year-round in the mountains trekking, biking, or skiing, and in the summer enjoys adventuring the West by motorcycle or taking in the lakes and rivers paddling the canoe he built.
Co-Manager, Civil Engineering Department
Vince Roux, MS
Vince co-manages the Civil Engineering Department with Katie. He joined Y2 in 2013 after earning a Master’s from Colorado School of Mines. Vince’s grandfather, Dr. Jacques Roux, moved his family from Switzerland to Jackson in the 60’s, and although Vince grew up abroad he has always had roots in the valley. Vince’s engineering expertise includes water and wastewater conveyance and treatment, grading and drainage design, roads and driveways, environmental testing and remediation, water rights, and he is the in-house CAD expert. Vince is a husband and father, a passionate angler, and an avid snow sport enthusiast. Prior to entering the workforce Vince completed mandatory Swiss military duty and was a Peace Corps Volunteer for 2 years in Burkina Faso, West Africa.
Danielle has been an administrative assistant at Y2 since the fall of 2018. She reluctantly moved here from the UP of Michigan with her husband in 2007 so he could snowboard and play in the mountains. With a background as a medical office specialist and in small business management, Danielle has a keen eye for detail. She is a former skater for the JH Juggernaut roller derby team, a dog mom, and a self-proclaimed craft nerd.
Derek grew up in Georgia and moved to New Mexico after high school where he studied Mechanical Engineering at the New Mexico Institute of Mining and Technology. He has worked on a Systems Engineering team on a Department of Energy contract, on the engineering team for the manufacturing process of BMW X3 and X5 fuel tanks, on security contracts for federal facilities, and as the owner, designer, and manager of an escape room. In his free time you can find him exploring the outdoors or working on the next project he’s building.
Isaac Serre, PE
Isaac has been in the Structural Engineering Department at Y2 since 2018. Originally from Northern Minnesota, he moved to Jackson to enjoy hunting, snowmobiling, and biking. Isaac has 6 years in the industry and has proficient practice in timber, steel, and concrete design.
Jamie has over 20 years of marketing and communications experience supporting engineering firms of all sizes in their marketing goals. She is experienced in the preparation of proposals and presentations, as well as promotional, and collateral marketing material in a deadline driven setting. In addition, she has developed the skills necessary to recognize, establish, and maintain key client relationships. Jamie also possesses a strong knowledge and understanding of marketing and business development best practices. She grew up in Nebraska and ventured to West Virginia University on a full athletic scholarship, where she completed a bachelor’s degree in Journalism and Public Relations. Jamie and her family live in Fort Collins, Colorado. She and her husband have two school-aged daughters. She enjoys hiking, camping, coaching, and volunteering for her children’s activities.
Survey Project Staff
Mike Whitman, MA
Mike has worked as a Survey Technician at Y2 since 2017 and is currently pursuing his Land Surveyor in Training credentials through the University of Wyoming. Mike grew up on a small island off the coast of Maine but moved to California for college, where he graduated from the University of California Berkeley with a master’s degree in geophysics and worked for the USGS on landslide mitigation projects in the Bay Area. After moving to Jackson in 2012 Mike worked as a rock-climbing guide in the Tetons for Exum Mountain Guides. An avid climber and ski mountaineer, he still manages to fit in some climbing guide work on weekends throughout the summer months.
Associate Geotechnical Engineer
Meriel Young, EIT
Originally from Scotland, Meriel moved to Colorado in 2016 where she received an M.S. degree in Geotechnical Engineering from the Colorado School of Mines. Meriel worked for a large consulting firm in Denver for the last three years, both while in graduate school and after graduation. Meriel has experience in soil and rock classification and testing, foundation design, and slope stability analysis. Meriel has been a part of the Y2 team since 2020.
Meriel enjoys being in the mountains and is excited to experience all the different recreational opportunities Jackson and the Tetons have to offer.
Cheyenne Operations Manager
Gary Grigsby, PE, PLS
Gary is Vice President in charge of operations at Y2 Consultants. He is a Professional Engineer and Licensed Land Surveyor in both Wyoming and Colorado. He earned a Bachelor’s degree from Colorado State University in Mechanical Engineering, as well as a Bachelor’s degree in Business Management from the University of Wyoming. Gary is also a helicopter pilot and flew a Bell 206L Long Ranger helicopter for Western when we did in-house LiDAR and aerial mapping. He has personally dedicated himself to raising the bar for expectations in both the Surveying and Engineering professions.
Survey Technician, Water Rights Specialist
For over 20 years, Liberty has worked for Wyoming’s water and natural resources in state and local government. In 2019, she became the Survey Technician for Y2 Consultants and is pursuing professional licensure. She holds a master’s degree in Rangeland Ecology and Watershed Management / Water Resources from the University of Wyoming and is passionate about bringing together the disciplines of land surveying and water rights. She has great enthusiasm for getting women of all ages and abilities outdoors and can often be found camping, hiking, and snowshoeing through the year.
Engineering Department Manager
Rich Cripe, PE
Rich is a Wyoming native, raised in Douglas. In 1991, he obtained a Civil Engineering degree from the University of Wyoming. He worked for 28 years for the State of Wyoming at the Department of Transportation, Wyoming Water Development Commission, and Wyoming Department of Environmental Quality. Rich’s experience has focused primarily on transportation engineering, contract administration, project management, municipal utility engineering and planning, and leadership. Rich joined Y2 Consultants in May 2021. In his spare time, he is involved in home renovations, spending time with family and friends, and many activities that get him into the Wyoming outdoors.
Senior Electrical Design Engineer
Jerry Downs, PE
Jerry is a Wyoming native, born and raised in Cheyenne. He obtained an Electrical Engineering degree from the University of Wyoming in 1975. He worked for the Wyoming Department of Transportation for 38 years, retiring in 2013 as the State Electrical Engineer, Operations. Jerry’s experience focuses on traffic signal engineering, designing electronic control circuits for various traffic control devices, and project management. Jerry has worked part-time for Y2 for 30 years. Jerry also maintained a Journeyman Electricians License for many years and obtained his International Municipal Signal Association Level III certification as well. In his spare time, Jerry enjoys team roping, building spurs, and spending time with his horses.
Robert C. Dunn, who goes by Chad, is a civil engineer. He is a University of Wyoming graduate with a Bachelor of Science in Mechanical Engineering. He was a member of the WYDOT Design Squad in Laramie, interned as a field engineer, and worked construction during the summers. When he is not in the office you can find Chad enjoying his hobbies of photography, snowboarding, or in the garage working on projects, including a house remodel. Chad’s immediate goals include obtaining his Professional Engineer’s License.
Senior Project Manager
Lou Harmon, PE, PLS, PG
Lou grew up on a sandhill farm in Northeast Colorado, 2 ½ miles from the next-door neighbors. He found his way out of the hills to Golden, Colorado, and the Colorado School of Mines. He graduated with a degree of Professional Engineer of Engineering Geology in 1967. Lou is a Professional Engineer, Professional Land Surveyor, and Professional Geologist. In his 54 years of professional life, he has been an officer in the U.S. Army Corps of Engineers, owned a civil engineering and land surveying practice, worked for the Wyoming Department of Environmental Quality Water Quality Division with the water and wastewater programs, and retired. The next week he began with Y2 Consultants on a part-time basis. Lou has developed a clientele of large livestock operations assisting them with wastewater designs and permitting. Lou and wife Julie love their home in Cheyenne overlooking F.E. Warren Air Force Base and the front range. They enjoy gardening, especially raising tomatoes.
Senior Civil Engineer
Adrienne Lemmers, PE
Adrienne is a true blue Wyomingite. She grew up in Casper and then went to the University of Wyoming in Laramie to get her BS and MS in Civil Engineering. She moved into the abyss between Laramie and Cheyenne where she still resides. Adrienne worked with WYDOT as well as Wyoming Department of Environmental Quality before coming to the Y2 team in 2013. She has designed and managed a variety of projects from roadways to non-motorized trails to septic systems, site plans and everything in between. She also works on agricultural design projects and does environmental sampling and reporting. Adrienne enjoys practicing karate and hanging out in the outdoors in her free time.
Professional Land Surveyor
Dave Spurlock, PLS
Dave is a licensed Wyoming Land Surveyor. For 15 years, he has run Spurlock Land Surveying based in Lander. Dave specializes in aerial mapping, land surveying, GPS/GIS and LiDAR data collection. He is on the cutting-edge of drafting, software, and survey technology. Dave joined Y2 in May 2021.
Ann Marie Taylor
Ann Marie has been the Office Manager at Y2 Consultants since 2006. Her primary responsibilities are Accounts Payable, Accounts Receivable, Payroll, Human Resources, and administrative support. She has lived in Cheyenne almost her entire life and enjoys spending time with her dog and her family.
Ed is Western’s Community and Transportation Planner. Ed has BS and MS degrees in Urban Planning and Transportation Planning from Michigan State University, and a Masters in Project Management from George Washington University’s Project Management Institute. Ed’s 40 years of experience include eight years as a U.S. Air Force Instructor Navigator and 20 years in state and local government. Ed provides planning process design, transportation studies, and project development. He is a national level expert in modern roundabout planning and design. Ed enjoys travel and camping, and applies his 60 years of camping experience to the design of state-of-the-art public campgrounds.
Engineer/LiDAR Specialist/GIS Technician
Brian Neville, PhD, EI
Brian is originally from eastern Nebraska. He has a BS in Mechanical Engineering and Civil Engineering, an MS in Aerospace Engineering, and a PhD in Mechanical Engineering. His professional and academic experience includes tracking storage conditions for explosive warheads for the Naval Surface Warfare Center, simulating launch conditions for a proposed International Space Station emergency rescue craft, and creating a composite metal foam through powder metallurgy. After moving around the East Coast for a couple of years for school, training, and various jobs, he and his wife moved to Cheyenne to be somewhat closer to family but still near the mountains. He joined Y2 in 2013 to process LiDAR but has since found himself doing a little of everything, from drafting to intersection layouts, to GIS to Concentrated Animal Feeding Operations and Nutrient Management Plans. In his free time, he enjoys playing hockey, hiking, road and mountain biking, and baking.
Maxwell has worked as an Intern in the Survey Department at Y2 Consultants since 2020. In the fall of 2020, he transferred to the Cheyenne office while attending the University of Wyoming. Maxwell grew up in Central Minnesota and moved out west to pursue his degree. Maxwell is a part of the Triathlon Team at the University, and in his free time he enjoys playing basketball, hunting, and fishing.
Jim Kladianos, PHD, PE
Jim Kladianos joined the Y2 team in April 2021. Jim retired from the University of Wyoming Design Squad, an intern program that WYDOT has operated in conjunction with the UW College of Engineering for many years. Jim led the WYDOT Design Squad, teaching and mentoring hundreds of college students in the art of designing highway projects, from 1982 until his retirement in late 2020. While leading the UW Design Squad, Jim also taught engineering courses at the University of Wyoming and took classes to obtain his Doctorate Degree in Engineering. Prior to leading the UW Design Squad, Jim worked in WYDOT’s Bridge Program. Jim brings over 40 years of WYDOT experience to the firm. In Jim’s spare time he enjoys spending time on the UW campus, reading, and eating out.