Owner/Manager

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.

Range Scientist

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 Burton

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.

Senior Ecologist

Chuck Butterfield, PhD

Chuck has been Y2’s Senior Ecologist since 2013. He is the rare and elusive Wyoming native. Chuck is the wrangler of the Natural Resource/GIS teams and head plant nerd.

“Without deviation from the norm, there can be no progress”
— Frank Zappa

Administrative Manager

Carrie Daniel

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.

Structural Engineer

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.

Civil Engineering

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.

Rangeland/NR Specialist

Danielle Goodman

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.

Civil Engineering

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.

Civil Engineer

Tyler Klos, PE

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.

Associate Civil Engineer

Adarsha Neupane

Adarsha started with Y2 Consultants in 2022 as an Associate Civil Engineer. He came to the University of Wyoming in Fall of 2019 to attend graduate school and immediately fell in love with the Wyoming outdoors. It reminded him of his country Nepal with mountains, snow, and beautiful scenery. Adarsha likes hiking, camping, and going on road trips with friends. His interest in civil engineering stems from his childhood experiences with his father who worked in construction. In his time in graduate school, and working as a civil engineer, he has developed specific interests in water resources and transportation.

Marketing Coordinator

Kosha Olsen

Kosha has over 20 years of marketing, communication, and program management experience, primarily in Wyoming’s agriculture sector for the Wyoming Stock Growers Association and 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, her husband, and three children live in Cheyenne. She enjoys cooking, music, and travel. Kosha sits on the board of directors for her local electric cooperative, High West Energy.

Office Administrator

Avery Pagan

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.

Finance Manager

David Robertson

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.

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.

Accounting Specialist

Danielle Scott

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.

Survey Technician

Derek Searles

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.

Structural Engineer

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.

Marketing Specialist

Jamie Spaulding

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. 

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

Liberty Blain, LSI

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.

Civil Engineer

Chad Dunn

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.

Cheyenne Administrator

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.

Community/Transportation Planner

Ed Waddell

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, EIT

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.

Intern

Maxwell Waite

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.

Project Engineer

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.

Natural Resources Technician

Noah Buchanan

Growing up in Georgia, Noah spent summers in the greater Teton region during college, and officially moved to Jackson two years ago to experience the endless outdoor opportunities the area offers. Noah’s background and experience in natural resource policy planning, GIS mapping services, and environmental document development and review is a great asset to the Natural Resources team. He provides support in everything from GIS support and groundwater monitoring to fieldwork and research. Noah is excited to learn more about vegetation monitoring and data analysis, rangeland inventory and monitoring, habitat inventories and assessments, environmental assessments, and riparian and aquatic resources. Noah also has a vested interest in researching sustainability, environmental economics, and efficient environmental management practices. Outside of the office, he enjoys skiing, mountain biking, photography, and general outdoor recreation.

Structural Department Manager

Jessyca Cochran, PE

Jessyca brings more than 18 years of experience in the structural engineering field to Y2. Since her graduation from Cal Poly, San Luis Obispo, CA in 2004, she has been working on structural design projects in California, ranging from small remodels to custom multi-story residential projects and commercial design. The emphasis of her background in engineering has been focused on wood design with concrete and steel elements as well as site retaining walls and other concrete and steel structures. She went on to earn her Master of Business Administration degree from the California State University, East Bay, in 2009 and served as the principal engineer and owner of JVC Engineering for more than a decade. During that time, she was responsible for managing all business operations, performing lead engineer duties, field inspections and project observations, hiring and training new engineers and managing all projects. Jessyca relocated to Wyoming and manages the Structural Engineering Department.

Professional Surveyor

David Fehringer, PE, PLS

Structural Engineer

Ben Cole

Drafter

Richard Tucker

Survey Technician

Andy Hudkins

Project Coordinator

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.