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Current Board of Directors

President: Dave Mulholland, P.E.

Dave is an Iowa native with a bachelor of science degree in civil engineering from Iowa State University. He is currently employed as a civil engineer Snyder and Associates, Inc in Ankeny, Iowa. Dave has 28 years of experience in various aspects of civil engineering including preliminary bridge design, hydraulic\drainage analysis and design, water supply engineering, street and highway transportation design, residential and commercial development, construction review services and structural design for water and wastewater facilities.


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Vice: David Blanco, P.E.

David is a Project Engineer for Shoemaker and Haaland Professional Engineers in Coralville, Iowa. He graduated from the University of Iowa in 2010 with a BS in Civil Engineering. Active in ASCE as a student, he was a 4-year member of the steel bridge team with 2 as a captain, and on the concrete canoe team during his senior year. He later spent three years in Washington, D.C. designing high rise buildings and participating in the Structural Engineering Association-Metro Washington Young Members Group as a board member. Upon returning to Iowa, he joined the ASCE Eastern Iowa Young Members Board. During his career in Iowa he has primarily worked on large scale industrial facilities, designing foundations of all types and the above ground structures.


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Past President: Ed Sowder, P.E.

Edward is a Project Engineer for HNTB in Des Moines, Iowa. He graduated from Iowa State University with a Bachelor of Science degree in Construction Engineering and a Master of Business degree in Business Administration. Edward is a licensed professional engineer in Iowa. Edward’s experience is in bridge design and previously bridge inspection throughout the State of Iowa. In his free time, Edward enjoys fantasy football, volunteering as a Cub Scout Den Leader for his older son, coaching soccer for his younger son, and going to Iowa State wrestling meets with his family.




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Membership Director: Ryan Morgan, P.E.

Ryan is a Senior Principal and Regional Manager of Geotechnical Services for Terracon Consultants, Inc. based in Des Moines, Iowa. He graduated from Iowa State University with a Bachelor of Science degree in Civil Engineering, Master of Science degree in Geotechnical Engineering, and a Master of Business Administration degree. Ryan is a licensed professional engineer in the State of Iowa. Ryan has experience with geotechnical projects of varying types throughout Iowa. In his free time, Ryan enjoys being outside, doing home improvement projects, and spending time with his wife, eight year old daughter, and five year old son.


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Coordinating Director: Jon Puls, P.E.

John is a Project Development Engineer for GeoStabilization International. John graduated from Iowa State University with a BS in Civil Engineering in 2007 and a MS in Civil Engineering in 2008. John has been a practicing geotechnical engineer for the past 13 years with roles in design, project delivery, project management, and business development. In his role at GeoStabilization, he collaborates with clients to mitigate diverse geotechnical challenges including landslides, slope stability, ground improvement, and foundations in the Midwest.


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Secretary: Della Caldwell

Della is a Program Manager at The City of Cedar Rapids. She graduated from the University of Iowa with a BS in Civil Engineering in 2013, and a MS in Urban and Regional Planning as well as a Graduate Certificate in Transportation Studies in 2016. At the City, Della manages the sidewalk repair program. As part of the program, Della oversees a city wide inspection program, as well as managing large and small scale projects associated with sidewalk repairs, ADA compliance, and infill of sidewalk gaps. Della is also in charge of the Public Works summer internship program. Della has been an active member of ASCE since freshman year at Iowa, and has a passion for K-12 STEM outreach. For over 15 years, she has been involved with multiple K-12 STEM events, including partnering with local schools and community colleges to bring STEM education to kids in Eastern Iowa. Della is also a board member of the ASCE National Committee on Pre-College outreach; whose goal is to educate and support Civil Engineers throughout the US on best practices in K-12 STEM outreach.


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Financial Officer: Kevin Arp, P.E.

Kevin is a Principal Transportation Engineer for Kirkham Michael in Urbandale, Iowa. He graduated from Iowa State University in 1990 with a BS, and 1999 with an MS, in Civil Engineering (Structures). Kevin is a licensed professional engineer in Iowa, Kansas, Nebraska, and South Dakota with over 30 years of experience in bridge and roadway design, including the first single-point urban and diverging diamond interchanges built in the State of Iowa. He spends his free time following Iowa State University athletics, bicycling, golfing, and playing pickleball.





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Communications Officer: Michelle Riedinger, P.E. 

Michelle is a Senior Facilities Design and Construction Manager with the City of Iowa City. She graduated from the University of Iowa with a BSE in Civil Engineering in 2016. Michelle's professional experience includes utility distribution tunnel design and assessment, education facilities and assessment of existing structures. In her free time, she enjoys ringing handbells with a local choir and exploring state parks.


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Communications Officer: Kyle Bieghler, P.E. (Website)

Kyle is a Project Engineer and the ADA Specialist for the City of Cedar Rapids Public Works Department. He graduated in 2015 with a BS in Civil Engineering, and is a licensed engineer in Iowa. Kyle has experience in geotechnical engineering services, vibration monitoring, firestop assemblies, testing in playground surface evaluations, and project management in ADA related infrastructure. In his free time, he enjoys gardening, disc golf, and traversing nature trails.


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Past President: William Mabuce, P.E., PO, ENV SP

Bill is the Engineering Project Manager for West Des Moines Water Works. His duties at the Water Works include engineering design and construction oversight of water infrastructure within the City of West Des Moines, utility locating, loss prevention, and supervision of engineering technicians. Prior to joining the Water Works in 2013, he worked for ten years at private consulting firms. He earned a bachelor's degree in civil engineering from the University of Minnesota, a bachelor of arts degree from Luther College, and a Master's degree in Business Administration from the University of Iowa. In addition to his engineering license, Bill holds a Grade 4 Professional Operator certificate, and both Grade 4 Water Distribution and Grade 2 Water Treatment licenses from the State of Iowa. Bill is also a former treasurer and past president of the CIYMG.


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Region VII Assembly Delegate: Jenifer Bates, P.E.

Jenifer is an Urban Transportation Engineer at Iowa DOT in Ames, Iowa. She has been a member of ASCE for close to 30 years, starting with the student chapter at Iowa State University and continuing throughout her career. Over the past 17 years she has served in many roles on the Board of Direction, including President of the Iowa Section in 2009. Jen has been involved at the Region level as well, currently serving as Iowa Section's Region 7 Assembly Delegate.

Jenifer has had the privilege of attending ASCE leadership conferences, ASCE’s D.C. Legislative Fly-Ins meeting with Iowa’s

Congressional Delegations, participated in Iowa Section’s launch of the 2015 and 2019 Infrastructure Report Cards, supporting ASCE’s technical conferences, volunteering with various K-12 outreach activities, as well as many other events and activities…all with the intention of advancing and promoting the Civil Engineering profession in Iowa. Jenifer was awarded the Iowa Section’s Outstanding Civil Engineer Award in 2013 and most recently the Iowa Section Award in 2021.


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Region VII Assembly Delegate: Kari Sebern, P.E.

Kari obtained a BS in Civil and Environmental Engineering from South Dakota State University in Brookings, SD in 2002. She then gained structural design experience working for private industry in Denver, CO. Kari relocated to Panora, IA in 2009 and formed Vector Collaborative (previously known as Sebern Structural Services) in 2010. Vector focuses on providing structural design for small to medium scale building structures, primarily in Iowa and Colorado. In her free time, Kari enjoys spending time with her two sons, teaching yoga classes as a certified yoga instructor, connecting with people, and traveling to research new projects for her podcast, Unstruct, which brings the spotlight to great structural engineers and projects around the world. Kari is a past president of the Iowa Section of ASCE and served as a voting member on the ASCE 7-22 Dead and Live Loads subcommittee.


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Associate Director: Ron Knoche, P.E

Ronald R. Knoche graduated from the University of Iowa with a BS in civil engineering in fall 1996.  After graduation, Ron started his career in Tipton at the Cedar County Secondary Roads Department as assistant county engineer. In 1999, Ron joined the Engineer Division staff for the City of Iowa City as a civil engineer, and was promoted to senior engineer in 2001, to city engineer in 2003, and to his current role as Public Works director in 2015.  In this role, Ron leads the Engineering, Equipment, Resource Management, Streets, Wastewater, and Water Divisions.


Ron has served on the Statewide Urban Design and Construction Specifications Board of Directors, the Iowa Highway Research Board, the American Public Works Association Iowa Chapter Executive Committee, and the American Society of Civil Engineers (ASCE) Iowa Section Board of Directors.

In his University of Iowa engagement, Ron has served as a member of the Civil Engineering Advisory Board, a practitioner advisor to the University of Iowa ASCE Student Chapter, and a professional advisor to the University of Iowa Tau Beta Pi Chapter.

In his community engagement, Ron has served on the Little Hawks Booster Club Executive Committee, the Iowa City Athletic Booster Club Executive Committee, and the Little Hawks Softball Club Executive Committee. He also officiates high school basketball.

Contact Ron

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