About GMP Consultants
GMP Consultants offer our clients experienced subject matter experts with a solid understanding of local government coupled with decades of experience. We have served in a wide range of executive positions, from city and county management to public works, management information systems, and finance.

Our Qualifications
Founded and led by Greg M. Prothman, formerly the CEO and founder of Prothman, GMP consultants have worked on over 400 executives searches and over 80 public sector consulting projects. All our senior search consultants are active in both ICMA and local state level city management associations or in their respective professional associations.
Why Choose GMP?
Service & Relationship
Our consultants bring a reputation for providing outstanding service and building lasting relationships with both clients and candidates.
Customized Solutions
We take the time to become familiar with your organization to ensure that we offer the best solution and not just a single service.
People First
We work closely with you and your candidates through every stage of the recruitment process, creating a welcoming candidate experience and ensuring an effective recruitment outcome.
Team Approach
Our entire consulting group works as a team to leverage their networks to assist with each assignment and give your challenges thorough and creative thinking.
our team
Our entire consulting group works as a team to leverage their networks to assist with each assignment and give your challenges thorough and creative thinking. All our senior search consultants are active in both ICMA and local state level city management associations, or in their respective professional associations.
President
Greg M Prothman
Greg offers a unique combination of 20+ years of experience in various functions of government and 25 years of experience in public sector recruitment.
Prior to forming GMP Consulting, Greg founded and was the driving force at Prothman Company as its CEO, additionally he was also a partner at Waldron & Company. Early in his career Greg served as a police officer for the University of Washington and the City of Renton. He left police work after completing his master’s degree in public administration and accepted an administrative position for the City of Des Moines, WA. He was quickly promoted to Assistant City Manager and then City Manager.
A Seattle native, Greg completed his BA at Western Washington University and his Master of Public Administration degree from the University of Washington and completed the Senior Executives in State and Local Government program at Harvard University. Greg is a volunteer member of Seattle Mountain Rescue and a member of Crystal Mountain Ski Patrol.
Senior Consultant
BOB LARSON
Bob is an accomplished municipal manager who has held senior management positions in local government since 1987.
Bob’s service includes 17 years with two communities in Washington State and 17 years with three communities in Minnesota. Bob is a past-president of the Washington City-County Manager Association (WCCMA). He also served on the board of directors of the Association of Washington Cities (AWC), Sound Cities Association (SCA) and NORCOM. He is known and well respected within municipal government for his leadership and management qualities. Bob has a strong background in municipal finance, capital programs development, creating community partnerships, economic development, customer service improvements and organizational development. He has a Bachelor of Science degree and a Master of Arts degree, both in Urban & Regional Studies. He is an avid cross-country skier, cyclist and hiker. He and his partner, Jane, enjoy travelling and new adventures. Most importantly, he is the proud father of Ben and Emma.
SENIOR CONSULTANT
MArk BETHUNE
Mark brings 25 years in private and public sector executive management including 16 years leading the City of Orting, WA as City Manager.
Mark has a strong background in community-based planning, budgeting and finance, labor relations and contract negotiations, hazard mitigation planning, and managing comprehensive city projects. Mark is known for being a participative leader and skilled negotiator with a commitment to excellence. He holds an M.B.A. in Marketing and Production/Operations from the University of Missouri.
Senior Consultant
RAY CORPUZ
Ray has served in local government for 48 years and as city manager for 29 years at three cities in California and Washington.
Ray served as city manager for the City of Tacoma (WA), City of Seaside (WA), and Salinas (CA). Ray is a former president of the Washington City Managers Association (WCMA) and active in the Association of Monterey Bay Area Managers and the California League of Cities City Managers Department. In 1999, Ray received the National Public Service Award by the American Society of Public Administration/National Academy for Public Administration and the Award for the Advancement of Diverse Communities by the California League of Cities. Ray is a life member of the International City Managers Association and enjoys golf, boating, fishing, pickleball, and travel.
senior fire service Consultant
DAN OLSON
Dan is a seasoned fire service professional with over 40 years of fire experience including 20 years as chief officer at four departments.
Dan is most recently the retired fire chief with Central Pierce Fire & Rescue, the second largest fire district in Washington state with 11 stations, 275 uniformed personnel and a service population of 220,000. Prior, he was the Deputy Fire Chief for the City of Vancouver, WA for four years. Dan also served as Fire Chief for Poulsbo Fire Department for four years and before that was Deputy Chief at South Kitsap Fire & Rescue. Dan holds a Bachelor of Science in Fire Administration and is a graduate of the National Fire Academy’s Executive Fire Officer program. Dan is known throughout the Northwest as a mentor to rising stars in the fire service and as an on-call consultant and enjoys hiking, swimming, archery, and anything else outdoors.
Senior Consultant
TED BARKLEY
Ted is a retired city management professional with over 35 years of experience leading cities in Washington, Colorado, Montana, and Kansas.
Ted served 8 years as City Manager for Belgrade (MT), 14 years as City Manager for Ellensburg (WA), 8 years as City Manager in Montrose (CO), and 5 years as Assistant City Manager in Garden City (KS). Most recently, Ted has served on the Board of Directors of the Montana League of Cities and Towns, Board Chair of the Montana Municipal Interlocal Agency, and is currently on the Board of Directors for the Northern Rocky Mountain Economic Development District. Ted has a strong background in managing emergency services, including Police, Fire, and EMS. He has managed a broad variety of municipal utilities, including water, wastewater, stormwater, electric, and gas. His experience also includes citizen engagement, collaborative partnerships, and risk management. He has had the good fortune of selecting, working with, and leading excellent staff. Ted has a Master of Public Administration from the University of Kansas, and Bachelor of Liberal Arts from Colorado College. He enjoys hiking, riding his bicycle, exploring backroads and byways, and spending time with his family.
senior consultant
MATT FULTON
Matt brings over 30 years of local government leadership experience serving as a city manager in Minnesota and Wisconsin.
Matt has worked in both small (7,000 pop.) and large organizations (65,000 pop.), suburban and free-standing full-service environments, and fully developed and fast-growing communities. During his career, Matt has had the opportunity to provide leadership at the local, state, and national levels, including serving as Midwest Vice President on the ICMA Executive Board of Directors, a member on the Minnesota League of Cities Board of Directors, and as President of the Minnesota City/County Management Association. Over the past four years, he has served as Polco’s VP for National Engagement, helping local governments build stronger engagement approaches and assessing performance from the perspective of residents and community stakeholders. His continual engagement with community leaders across the country has helped him strengthen his already strong national network of talented local government professionals and organizational connections. Matt has a Masters degree in Public Administration from the University of WI and an undergraduate degree in urban planning from the University of Minnesota-Duluth.
senior Consultant POLICE
TIM TROXEL
Tim is a tenured law enforcement professional who brings 33 years of law enforcement experience including 12 years in senior leadership.
Tim most recently retired as deputy police chief with the City of Renton (population 100,000). During his time with the Renton Police Department he was responsible for CALEA reaccreditation as well as leading the department’s professional standards divisions. Tim is a graduate of the FBI National Academy (session 243) in Quantico VA. He also holds a Bachelor of Arts Degree from Washington State University in Criminal Justice. Tim enjoys hiking, golf travel and playing with the grandchildren.
Senior Consultant
DAVE ZABELL
Dave brings over 35 years of experience and innovation leading cities and public works departments throughout Washington state.
Dave is the recently retired city manager with the city of Pasco WA (pop. 80,000). During Dave’s career he has served as city administrator for the City of Marysville, Public Works Director for the City of Bothell, City Manager for the City of Fife and as Assistant City Manager for the City of Yakima. Dave is a member of the Washington City Managers Association as well as the International City Managers Association and has served as an Executive Committee Member for the Washington Cities Insurance Authority. Dave is recognized as an experienced and innovative municipal manager who understands the critical components of superior service delivery for local government. Dave also bring expertise in public works having served as public works director for the cities of Marysville and Bothell, WA. Dave holds a Master of Public Administration from the University of Washington and a Bachelor of Science in Public Administration from Upper Iowa University.
Senior Consultant
ANDREW NEIDITZ
Andrew is a tenured public administration professional with over 40 years of public sector leadership & management experience.
Prior to retirement Andrew was the first executive director for the newly created South Sound 911 where he managed the consolidation of dispatch services for 19 police and 22 fire departments. Prior, he served as city manager for the City of Lakewood, WA for eight years and City Administrator for the City of Sumner, WA for six years. Andrew also has extensive leadership experience at county level having served as Deputy County Executive for Pierce County, WA for eight years.
Andrew is a recognized leader in his professional associations having served as International City Manager Association’s regional Vice President and Washington City Manager Association President. Andrew has a Bachelor of Arts in Social Work from Stockton State College and a Master of Public Administration from the University of Oregon. In addition to being an ICMA credentialed manager he has also attended the Senior Executive Program, State and Local Government at Harvard University.
senior consultant
Debbie TARRY
Debbie served in local government for over 38 years, most recently as City Manager for ten years at the City of Shoreline, WA.
Prior to her time as a City Manager, Debbie served as an Assistant City Manager and the Finance/Administrative Services Director for LINK Transit (Chelan-Douglas County, WA), City of Mill Creek (WA) and the City of Shoreline (WA). Debbie a past president of the Washington Finance Officers Association (WFOA), served on the Board of Directors for the Sound Cities Association (SCA), facilitated multiple meetings of the King County City Manager and Administrator Association and served as the President for the Shoreline Rotary Club. Debbie was selected by her peers as the King County City Manager of the year for 2022. Prior to her retirement from the City of Shoreline she, along with four neighboring cities, was responsible for creating a five-city consortium to operate a new Regional Crisis Response Agency (RCR) which will provide ten Mental Health Professional Community Responders along with a Crisis Triage Facility. Throughout her career Debbie was highly regarded by elected officials, staff, colleagues and her peers. Debbie holds a Bachelor of Public Administration with an Accounting emphasis from Pacific Lutheran University. Debbie enjoys spending time with her family, gardening, reading and is an avid walker.
senior fire service Consultant
GREG AHEARN
Greg brings 34 years of fire service experience including 11 years as chief officer, most recently as the Fire Chief of Woodinville Fire & Rescue.
Greg brings extensive executive level fire service experience in all facets of fire and emergency services. In his 34 years with the fire service, Greg has risen through the ranks from first responder to Fire Chief with Woodinville Fire & Rescue, serving 36,000 residents with 55 uniformed and 10 civilian personnel across 3 stations. A chief officer for 11 years, Greg believes in building exceptional service with a foundation of community partnerships, placing service before self. Greg is a published author in “Firehouse Magazine” and holds a Bachelor of Science in Public Safety Administration.
Senior Consultant
DAVID CHILDS
Dave brings 43 years of experience in local government, including serving as city manager in both California & Minnesota.
Dave is an International City/County Management Association (ICMA) Past President, Life Member and ICMA Credentialed Manager. Dave has served as City Manager for communities in Minnesota and California in populations ranging from City of Palmdale, CA 155,000 to City of Blue Earth, MN 4,000. He also served as Assistant County Manager in Nevada in a county of 400,000. He has had excellent success in helping organizations transform their organizational culture and to identify and live by their core values. Dave has also served as the Western U.S. Director of the International City/County Management Association (ICMA) where he provided support to over 2000 ICMA members in 14 western states, including special training in the areas of Ethics, Leadership/Organizational Development, Performance Measurement and Management. Dave has a Master of Arts (M.A.) Degree in Urban and Regional Studies from Minnesota State University and completed the Senior Executives in State and Local Government Program at Harvard’s JFK School of Government. Dave and his wife Barb live in Coeur d’Alene, Idaho where he enjoys fishing, hunting, camping, skiing, kayaking, snorkeling, golf, and travel and is a continuous reader and learner.
Public Works & Planning Consultant
STEPHEN CLARK
Steve brings 40 years of knowledge and experience in public works and municipal planning from his tenure at a variety of city governments.
After Steve’s retirement from the City of Maple Valley where he served as both Community Development and Public Works Director for six years, he has served as interim public works director for the cities of Snoqualmie, Yelm and Port Angeles. Additionally, he served as Maintenance and Operations Director for the City of Bonney Lake and Interim General Manager for the Snoqualmie Pass Utility District.
Steve began his career as a senior planner for Yakima County and later became the Assistant Manager for Woodinville Water & Sewer. He has also served as Capital Projects Manager for the City of Issaquah and Transportation Development Coordinator for the City of Renton. He also served 10 years as the City of Newcastle’s Public Works Director. Steve holds a Bachelor of Arts from the University of Washington in Urban Planning and a Master of Business Administration from City University. Steve remains active in both American Public Works Association and the American Planning Association.
Senior Consultant
MARY SWANSON
Mary is a retired city management professional with 32 years of experience, most recently with the City of Marysville, Washington.
During Mary’s career at the city of Marysville, the full-service city had grown from a population of 4,700 to 58,000. Marysville is located next to the Tulalip Tribes of Washington and Mary is notated for developing an excellent working relationship with the Tribal government. She is also responsible for developing a solid economic development strategy for Marysville. She has worked the entire 32 1/2 years of her public service career with the City of Marysville, rising through a variety of administrative positions before attaining the post of City Administrator where she served for the final 10 years of her career. Mary also served nine years as Assistant to the City Administrator/City Clerk. She is a past-president of the Washington Cities Insurance Authority and also served on the Board of Directors and Executive Committee for Allied Employers (a Puget Sound labor relations firm), Washington City/County Management Association Board member, and the Greater Marysville Tulalip Chamber of Commerce Board of Directors. She is a member of the Marysville Noon Rotary Club, International City/County Managers Association (ICMA) and Washington City/County Management Association. Mary is a 1977 graduate of Griffin Business College.
Recruitment Coordinator
Kate Hansen
Kate is a certified Project Management Professional (PMP) with a background in business, nonprofit, and fire administration.
Kate has served as a Public Records Officer as well as a political campaign manager, and brings a distinguishing blend of attention to detail, creativity, and critical thinking. Kate holds a B.A. in Theatre from Chapman University with an emphasis on stage management.
recruiting assistant
BRENDA GABBITAS
Brenda has over a decade of experience working with many communities around the globe in both public and private sectors.
Brenda has worked with community members across the globe for over 10 years in a variety of roles. She leans on her experiences to build lasting relationships with everyone she works with while delivering unparalleled levels of service. Brenda also holds a Bachelor’s of Education in Early Childhood Development from Utah Valley University.