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Current Board of Directors

President: Brian Boelk, P.E.

Brian A. Boelk joined HBK Engineering, LLC in 2013 with more than 14 years of practice as a civil engineer. His experience in municipal and consulting engineering encompasses project management, design engineering, contract plan and specification preparation, and construction inspection oversight for public agencies and municipalities as well as for privately owned corporations. Areas of design experience include sanitary sewers, storm sewers, storm water management facilities, storm water runoff analysis, roadway improvements, roundabouts, water mains, site development, EPA and IDOT audits, and agency permit application.  He sits on the ISWMM technical committee and also served as a committee member for SUDAS                                                               in terms of Stormwater Management.

                                                             Contact Brian

Vice President: Joshua Trygstad, P.E.

Josh is a Civil Engineer and Project Manager with Civil Design Advantage in Grimes.  Josh joined CDA in January 2005.  He completed his Bachelor of Science degree from Iowa State University in 2003.  Previous to CDA, Josh was with three other consultants, two of them consisting of summer positions in the surveying department and in materials testing.

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Membership Director (1st year): Mike Barkalow, P.E.

Mike is the Assistant City Engineer for the City of Marion where he leads the design and administration of City Infrastructure Projects. His Engineering career started back in the private sector in High School and several summer internships. He has a Bachelor of Science degree in Civil Engineering from Iowa State University (‘05), Master of Engineering in Engineering Management  from Iowa State University (‘14) and a Master of Business Administration from the University of Iowa (’14). He recently held several positions at the ASCE EI YMG Board as well as other boards and committees.

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Associate Director: William Mabuce, P.E.

Bill is the Engineering Project Manager for West Des Moines Water Works. His duties at the Water Works include the design of Water Works projects, plan review for development and other city projects, and supervision of construction observation and utility locating staff. Prior to joining the Water Works in 2013, he worked for ten years at two Des Moines area 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 3 Professional Operator certificate, and both Grade 3 Water Distribution and Grade 2 Water Treatment licenses from the State of Iowa. Bill is also a former treasurer and past                                                                                president of the ASCE CI YMG.

                                                                 Contact Bill

Financial Officer: Jeff Fadden, P.E.

Jeff is a project engineer with Calhoun-Burns and Associates in West Des Moines.  Jeff was born and raised in Minnesota.   After graduating from the University of Minnesota with a BS in Civil Engineering in 1998, CB&A brought him to Des Moines.  There his career developed in the bridge design industry including hydraulics, load ratings, roadway design and structural analysis.  After several years of working on the contracting side of the table, he returned to CB&A helping with resident construction engineering, project management, and internal operations coordination.   Outside the office Jeff enjoys investing in his daughter and three boys through volunteering and coaching their sports as well as participating in triathlons himself.

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Coordinating Director (2nd Year): Kari Sebern, P.E.

Kari obtained a BS in Civil and Environmental Engineering from South Dakota State University in Brookings, SD in 2002 and then gained structural design experience working for private industry in Denver, CO.  Kari relocated to Panora, Iowa in 2009 and formed Sebern Structural Services shortly thereafter.  Sebern Structural focuses on providing structural design for small to medium scale building structures and forensic engineering for residential structures.

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Communications Officer: Stephanie Then, E.I.
Steph is a Water Resources Engineer with HDR, Inc. She graduated from the University of Iowa with a BSE in Civil Engineering in 2015 and a MS in Civil and Environmental Engineering in 2016. Her project experience at HDR includes hydrologic and hydraulic analysis in support of floodplain analysis, flood mitigation, bridge design, and stormwater conveyance. Steph will sit for her P.E. exam in 2020. 

Secretary: Justin Widdel, P.E.
Justin earned his BS in Civil Engineering from Iowa State University in 2005. Since graduating, he has worked as a Project Engineer for Terracon Consultants, Inc. in Cedar Rapids focusing on geotechnical and construction materials testing services on projects throughout eastern Iowa. Justin is a past president of the Eastern Iowa Younger Member group and has been an active member of ASCE since 2008.

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Past President: Aaron Granquist, P.E.

Aaron earned his A.A. in Liberal Arts from Waldorf College.  He then went on and graduated from the University of Iowa with degrees in Mathematics and Civil Engineering and obtained an M.B.A. from the University of Iowa in 2010.  He has been very active in ASCE since 2000.  Aaron is a Project Manager for HR Green, Inc. in Cedar Rapids, IA and resides in North Liberty with his wife, Alyssa, and two small children.  He enjoys physical training, pick-up basketball, golfing, mountain biking, snowboarding, reading and watching the University of Iowa sports teams. 

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

Jenifer has been an active member of ASCE dating back to her student chapter days at Iowa State University. Through her tenure on the board, she has held every position available except newsletter/website director.


Jenifer attended the Legislative Fly-In in Washington D.C. in 2009 and 2010 where she lobbied on Capitol Hill with ASCE colleagues from all over the United States to bring attention to ASCE issues. She represented the Iowa Section as the Region 7 Assembly Delegate for the first two years of the new ASCE governing structure, helping to take local issues to the newly formed Board of Governors. She was responsible for coordinating the Iowa Section Strategic Plan in 2009 and was instrumental in getting the new constitution and bylaws approved by the Section and the Society in the years following. She has represented the Iowa Section at national conferences and on a special task force for the State Licensing Board. She’s been on the ASCE Transportation Committee since the early 2000’s and she has volunteered at various community and school outreach events over the years. As of October 2013, she is again fulfilling the role of Iowa Section Region 7 Assembly Delegate.


From 2011-2012, she was on the National ASCE Committee on Career Development. That committee was responsible for developing the career development brochure for the Society, developing the Society’s online mentoring program, developing kits/materials to aid Sections in holding mentoring events/programs in their individual regions, and promoting grants available to help mentoring endeavors.

Contact Jenifer