Board Members

Maurice Bowersox, P.E., Professional Engineer Member

Maurice Bowersox, a licensed professional engineer from Olathe, Kansas, was appointed to the Board in July 2012.  He earned his Bachelor and Master of Science degrees in civil engineering from Kansas State University.  Mr. Bowersox is a retired principal of Wilson & Company, Inc., Engineers and Architects, a multi-disciplined consulting engineering firm.  In 2005 he started his own consulting engineering business, Engineering Resources.  During his more than 35 year professional career, Mr. Bowersox has been a member of numerous professional and community organizations.  He has served on the ACEC Kansas Board of Directors as President and National Director.  He is licensed to practice engineering in the states of Kansas, Missouri, Nebraska, and Oklahoma.

 Mr. Bowersox is the 2016-2017 Board Vice Chair.  His Board term expires on June 30, 2020.

Steve Brosemer, P.S., Professional Surveyor Member

Steven S. Brosemer was appointed to the Board as the new Professional Surveyor member in July 2008. He is a graduate of Wichita State University with majors in history and secondary education. Mr. Brosemer has been an owner or partner in his current business, Geotech, Inc., for the past twenty-five years and has provided land surveying services of every possible type to both the private and the public sectors. For many years, Steve worked with his father and mentor, the late James H. Brosemer, P.S.

Mr. Brosemer served as president of the Kansas Society of Land Surveyors (KSLS) in 1988 and 1989. Currently he is an elected board member of KSLS and serves on the legislative and the historical preservation committees. Mr. Brosemer is a regular land surveyor continuing education presenter at KSLS functions. He also serves on the board of directors of the Lyon County Historical Society and the Emporia Area Chamber of Commerce.
Mr. Brosemer's Board term expires on June 30, 2018.

Forrest E. Erickson, P.E., Professional Engineer Member

Forrest Erickson, a licensed professional engineer from Shawnee, Kansas, was appointed to the Board in June 2010. He earned Bachelor and Master of Science degrees in civil engineering from Kansas State University.  Mr. Erickson was a co-founder of GeoSystems Engineering Inc., a retired principal of Kleinfelder, a nationwide consulting engineering firm, and currently performs part-time business development duties for Braun Intertec, headquartered in Minneapolis, MN.  Over his more than 40 year professional career, Mr. Erickson has been a member of numerous professional organizations, having most recently served on the ACEC Kansas Board of Directors.  He is licensed to practice engineering in the states of Kansas and Missouri.  

Mr. Erickson's Board term expires on June 30, 2018.

Larry Graham, P.E., P.S., Professional Engineer/Professional Surveyor Member

Larry D. Graham was appointed to the Board as the PE/PS member in July 2012. He is a graduate of Kansas State University with a BS in Civil Engineering. He has an MS in Civil Engineering from the University of Missouri, Columbia. Mr. Graham has been with the firm of Shafer, Kline & Warren, Inc. (SKW) since 1971. He is a principal stockholder and manages the Infrastructure and Development Division, which includes Field Services. His forty-five years of experience include public and private engineering and surveying of all types and counts himself fortunate to have worked closely with Tex L. New and William I. Shafer, both former SKW stockholders and KSBTP board members. He is licensed as an Engineer in twelve States and as a Land Surveyor in eight States. He is a Certified Federal Surveyor, qualified to perform surveying work for the Federal Bureau of Land Management and the Federal Bureau of Indian Affairs.

Mr. Graham has served as president of the Kansas Society of Land Surveyors (KSLS) in 2005 and 2006. He is currently serving on the board for KSLS and as National Society of Professional Surveyors (NSPS) Director of Kansas and was Area Six Director for NSPS from 2009 to 2016, covering Nebraska, Iowa, Kansas, Missouri, Oklahoma and Arkansas. He has served on the board of the KSLS Charitable Foundation, and serves on the board of the Public Land Survey System Foundation.

Mr. Graham is the 2016-2017 PE/PS Committee Chair.  His term expires on June 30, 2017.

Edward Halloran, Public Member

ED (2)

Ed Halloran was appointed to the board in July 2016 as a public member. He was born and raised in Topeka and attended Topeka schools. He was a master electrician until he retired in 2016 from Reser’s Fine Foods, Inc., where he was directly involved with the integration of equipment into an automation platform. Since then he enjoys working with various community oriented projects. He and his wife, Shari, enjoy travel and their grandkids.

Mr. Halloran’s Board term expires June 30, 2020.

William Haverkamp P. S., Professional Surveyor Member


Bill Haverkamp was appointed to the Board in July, 2016.  He is currently employed as the Survey Coordinator for the Kansas Department of Transportation (KDOT) in the Topeka headquarters office, directing agency staff and consultant firms performing engineering and land surveying activities for highway improvement projects.  Bill began working on a designs survey crew in September, 1977. Bill was licensed as a Kansas land surveyor in June, 1986.   He was promoted to his present position at KDOT in November, 1990. He has served the Kansas Society of Land Surveyors as President, Vice President and as a member of the Board of Directors.  His memberships include National Society of Professional Surveyors, Kansas Society of Land Surveyors, and the Northeast Chapter of the Kansas Society of Land Surveyors.

Mr. Haverkamp’s Board term will expire June 30, 2020.

Dr. Richard B. Hayter, P.E., Professional Engineer Member

Dr. Richard B. Hayter, P.E., was appointed to the Board on August 8, 2011. He retired in 2009 as the Associate Dean of Engineering for External Affairs Emeritus at Kansas State University. A South Dakota State University mechanical engineering graduate, he received his M.S. and Ph.D. from Kansas State University. He served in the U.S. Air Force and was executive vice president of an engineering consulting firm which specialized in energy management in commercial and industrial buildings. He has been mayor of Manhattan, KS, and has served as Director of the Kansas Energy Office. A licensed professional engineer, he was the 1995/96 International President of the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE).

Dr. Hayter's Board term expires on June 30, 2019.

Robert W. Henthorne, P.G., Professional Geologist Member

Robert W. Henthorne was appointed to the board on August 8, 2011. He is the Chief Geologist for the Kansas Department of Transportation. Mr. Henthorne is currently serving as an At-large Member of the Association of State Boards of Geology, Executive Director of the Shallow Exploration Drillers Clinic, member of the Transportation Research Board Committee on Aggregates, member of the Association of Environmental and Engineering Geologists, Kansas State University CIT Instructor and a member of the KSU Geology Advisory Council. He is the past chairman of Transportation Research Board Committee on Exploration and Classification of Earth Materials and of the Highway Geology Symposium. Mr. Henthorne is also active with various other geologic programs in conjunction with KU, KSU, FHSU and the Kansas Geologic Survey.

Mr. Henthorne is the 2016-2017 Board Chair.  His Board term expires on June 30, 2019.

David L. Hoffman, Architect, Architect Member

David L. Hoffman, FAIA was appointed to the board effective August 3, 2005. Mr. Hoffman is Senior Vice President of Law Kingdon Architecture, a Wichita firm of 106 professionals with expertise in Architecture, Engineering, Landscape Architecture, Interior Architecture and Planning. Mr. Hoffman is registered in 26 states and the District of Columbia. He has served as President of AIA Kansas and as AIA Regional Director representing Kansas, Iowa, Nebraska, Missouri and Oklahoma on the American Institute of Architect's Board of Directors. Mr. Hoffman was elected to Fellowship in the AIA in 1993 and is a Richard Upjohn Fellow of the Institute. He holds an NCARB Certification, writes exam questions for the Architect’s Registration Exam and is Chair of the Site Planning Design ARE sub-committee. Dave is serving on the KU Department of Architecture Advisory Board and has served on the KSU and ISU Departments of Architecture Advisory Boards.

Mr. Hoffman's Board term expires on June 30, 2017.

Joseph Johnson, Architect, Architect Member

Joe Johnson

Joseph A. Johnson, Architect, Architect Member

Joe Johnson, AIA was appointed to the Board effective July 1, 2016.  Joe is President of Schaefer Johnson Cox Frey & Associates, P.A., a Wichita firm with offices also in Albuquerque, NM and Austin, TX.  He is NCARB Certified and registered in Kansas, Illinois, New Mexico, Missouri, Nebraska, Arkansas and Nevada.  He served on the Kansas Board of Technical Professionals from 1989–1992 and later served from 1999-2006.  During those terms, he also served as Chairman in 1992, 1999 and 2006.  He received his Bachelor of Architecture from the University of Illinois in 1971, and pursued graduate studies in the Hugo Wall School of Urban and Public Affairs at Wichita State University.

An avid believer in community involvement, Joe has been affiliated with numerous organizations, many of which he has served as chair, including the Wichita Downtown Development Corporation, Visit Wichita Convention & Visitors Bureau, Metropolitan Area Planning Commission, Downtown Rotary, Kansas Big Brothers Big Sisters, Goodwill Industries and several others.

Mr. Johnsons Board term expires June 30, 2020.

Vincent Mancini, Architect, Architect Member

Vincent was appointed to the Board in June of 2006. He is licensed to practice Architecture in Kansas, California, Colorado and Oklahoma. Vince has served on the AIA Kansas Board of Directors, including a term as President in 1997. He is also a recipient of the AIA Kansas Henry W. Schirmer Distinguished Service Award.

Mr. Mancini is the 2016-2017 Chair of the ARCH/LA/PG Committee.  His Board term expires on June 30, 2018.

Carisa McMullen L.A., Landscape Architect Member


Carisa McMullen was appointed to the Board in July 2015. Carisa graduated from Kansas State University in 1993 and began her career as a public servant working for the City of Wichita Park and Recreation Department.  Leaving this position in 1997 to gain experience with newer design technologies, Carisa worked for private engineering and architecture firms until she started her business in the fall of 2000. 

Carisa decided early on in her career that starting her own business was the only way to maintain complete control over her design ambitions. Although she’s pleased to be among the “Certified Women-owned Businesses” in several regional markets, Carisa takes tremendous pride in the primary drivers of Landworks Studio’s achievements; an impressive portfolio of successfully completed projects and the delighted loyal clients behind them.

In over twenty-two years of practicing Landscape Architecture, Carisa McMullen has always chosen the road less travelled.  Carisa’s competitive spirit drives her to face every challenge head on.  As the Owner and Principal of Landworks Studio, this ‘can-do’ attitude has defined her professional ambitions, shaped her firm, molded her staff and produced a body of work that has enhanced the lives and experiences of countless people. 

Thrilled to advocate for the practice of landscape architecture in this role for the State of Kansas, Carisa is looking forward to her four year appointment.

Mrs. McMullen's Board term expires June 30, 2019.

Eric Wimmer, Architect, Public Member

Eric Wimmer was appointed to the Board in July 2012 as a Public Member.  Mr. Wimmer was born and raised in Overland Park. After graduating from the top ranked College of Architecture, Planning and Design at Kansas State University he joined the national architecture firm of HNTB in Kansas City. Mr. Wimmer’s architectural experience is focused on design development and the technical applications of project delivery.  He is a licensed architect in Kansas as well as holding an NCARB certificate. He is also involved in USGBC as a LEED AP with a Building Design + Construction specialty. When not engaged in dynamic projects at HNTB Eric spends his time following K-State sports, fishing and jet skiing at the lake and trying his hand at DIY projects around the house. 

Mr. Wimmer is the 2016-2017 Board Secretary. His Board term expires June 30, 2017.