MISSOURI RURAL WATER - Key Persons


Andy Bowman

Job Titles:
  • Marketing Coordinator
  • MRWA Executive Staff Member
Prior to joining the MRWA team in September 2015 as a Water Training Specialist, Andy served his hometown in southeast Missouri as Director of Public Works where his job duties included distribution operator and wastewater operator. While there, he earned his DS-II certification, WW-C certification, and Backflow Assembly Tester Certification. In December 2016, he took the position of MRWA Marketing Coordinator.

Barry Barnes

Job Titles:
  • Wastewater Technician
Barry Barnes, one of MRWA's Wastewater Technicians, joined the staff of MRWA in June of 2022. Barry was previously employed by the City's of Summersville and Eminence. He currently holds a WW-B Certification and a DS-II Certification. Contact Barry with any questions regarding wastewater issues.

Billy Everett

Job Titles:
  • Apprenticeship Coordinator
Before joining MRWA in August of 1989, Billy spent five years with the City of Hollister, Missouri, where he was maintenance superintendent. Billy has completed a number of training courses on such topics as submersible motors, wiring and electricity, supervision, and leak and pipe location. In 2002, Billy was selected by his peers nationally as "Circuit Rider of the Year."

Brandon Decker

Job Titles:
  • GIS Mapping Specialist
Brandon joined the Staff of MRWA in November of 2022. Prior to his employment with MRWA, Brandon served as Water Superintendent for Butler County PWSD #2 out of Qulin, MO, and also assisted the City of Qulin where his wife is currently the City Clerk. Contact Brandon with any questions pertaining to GIS and the GIS Mapping of your Water and Wastewater Systems.

Crystal Cooper - CFO

Job Titles:
  • Chief Financial Officer
  • MRWA Executive Staff Member
Contact Crystal with questions regarding MRWA billing or accounting. Crystal has been with MRWA since 1999. She coordinates the day-to-day operations of the office in Ashland, oversees financial accounting and maintenance of records.

David Waller

Job Titles:
  • National Director
  • President of the Board

Donald Jones

Job Titles:
  • Apprenticeship Trainer
  • MRWA 's Apprenticeship Trainer
MRWA's Apprenticeship Trainer, Donald Jones, joined the staff of MRWA in February 2015. Prior to being employed by MRWA Donald was employed by the Department of Natural Resources as a Water Specialist III in the South East Regional Office. While with MoDNR, Donald did technical assistance, performed operator certification training, and helped facilities with all different types of compliance issues. Prior to working for MoDNR, Donald began his career in the water industry in December 2000 while employed by the City of Caruthersville. While working for the City, Donald acquired a WW-A certification, a DW-B certification, and a DS-III certification. Donald has worked in every aspect of the water and wastewater field. In 2009 Donald won the Kramer Award from MWWC SE Section.

Gary Webber

Job Titles:
  • MRWA 's Wastewater Technician
  • Wastewater Technician
Contact Gary with any questions regarding wastewater issues. Gary Webber, MRWA's Wastewater Technician, joined the staff of MRWA in March of 2003. Gary was previously employed by the City of Unionville since June of 1983. He currently holds an "A" level Water Operator Certification, "A" level Wastewater Certification, and a "DSIII" Distribution Certification. Gary is also a graduate of the National Rural Waters Water University Study Course. Gary has previously been honored as "Water Operator of the Year" from both the Northeast Region of the Missouri Water and Wastewater Conference and the Missouri Rural Water Association. Since March of 2003, Gary has worked in MRWA's Sourcewater Protection, Water Training, and Wastewater Technical Assistance Programs. He has conducted training classes for operators and provides on-site assistance to water and wastewater utilities across Missouri.

Howard Baker

Job Titles:
  • Executive Director
  • MRWA Executive Staff Member
Howard joined the MRWA staff in June 2009. His 37 years of experience include 16 years as the water and wastewater superintendent for Johnson County PWSD #3. He has also worked for Johnson County PWSD #2, the City of Lawton, Oklahoma wastewater treatment plant, and served in the U.S. Air Force as an Environmental Support Specialist at Whiteman Air Force Base. Howard holds a DW-A drinking water treatment and DS-III drinking water distribution certification, plus a WW-A wastewater certification.

Janet Sears - Treasurer

Job Titles:
  • Treasurer

Jesse Howell

Jesse started his career in water and wastewater in 2000. He joined the MRWA staff in March 2024 and currently holds DS-III, DW-A, and WW-D certifications.

Jim Patton

Jim joined the staff of MRWA in January of 2004. Prior to his employment with MRWA, Jim served as Water Superintendent and Chief Operator with the City of St. Robert. Jim was also employed by the City of Crocker water/wastewater department. Contact Jim with questions regarding EPA training/technical assistance and small systems.

Joe Anstine

Job Titles:
  • Operations Director / Resource Conservation Circuit Rider
Joe Anstine joined the MRWA Staff in December 2002. Prior to joining MRWA Joe was the Superintendent for the City of Leeton where he attended the daily operations of the water and wastewater systems. Joe holds a DW-A certification, a WW-D certification, and a DS-III certification. Joe was Chief Operator for the City of Leeton in 1997 when the system received Water System of the Year from MRWA. In 2000, Joe was named Wastewater Operator of the Year by MRWA and in 2001 Joe was named Water Operator of the Year for the Northwest section of the Missouri Water and Wastewater Conference. Contact Joe with any questions regarding drinking water.

Justin "Grif" Griffin

Justin "Grif" Griffin embarked on his career in the water/wastewater industry in 2007 at the City of Brookfield water treatment plant. After gaining experience, he transitioned to Brookfield's distribution and wastewater systems. By 2016, Justin had been promoted to the position of Chief Operator at the wastewater plant, where he played a crucial role in opening Brookfield's new wastewater plant. In 2023, Justin accepted a position as an Environmental Program Analyst for the Missouri Department of Natural Resources where he was involved in system inspections. Justin's certifications include DS-II, DW-C, and WW-A. In February 2024, Justin joined MRWA, further expanding his impact and reach in the water/wastewater industry.

Klark Bohling

Klark comes to MRWA with 31 years of experience in the water/wastewater industry. Prior to joining the MRWA team in August 2021, his roles during those years spanned from an equipment operator constructing water and wastewater systems across Missouri to Water/Wastewater Superintendent and Public Works Director for the City of Cole Camp. He has won both MRWA Water Operator of the Year (2013) and MRWA Wastewater Operator of the Year (2017) Awards and holds DS-III, DW-D, and WW-B certifications.

Maggie Dixon

Job Titles:
  • MRWA Executive Staff Member
  • Training Secretary
Contact Maggie regarding training registrations. As Training Secretary, she is responsible for tracking and updating training class and conference registrations, training information, and is your first point of contact for on-line training issues.

Mary West-Calcagno

Prior to joining MRWA in April 2022, Mary worked for the City of Moberly for a combined total of 10 years as Utility Director overseeing the drinking water, wastewater, stormwater, and billing systems. She led the efforts to update the drinking water plant, lift stations, and water and sewer systems, passing three multi-million dollar bond issues and associated rate increases. She also worked as the Environmental Services Manager for the Missouri Public Utility Alliance and as the Midwest Wastewater Marketing Principal for Jacobs Engineering in St. Louis. Mary is a certified DW-A operator and DS-II operator. Mary was previously certified as a WW-A operator. Mary has more than 35 years of experience in municipal utilities at all levels.

Matt Marshall

Job Titles:
  • Decentralized Wastewater Specialist
Matt joined the MRWA team in January 2024. He began his career in the water/wastewater industry in 2004 as a laborer and heavy equipment operator for a construction company specializing in water/wastewater. In 2012 he was employed by the City of Poplar Bluff Municipal Utilities' distribution department. Three years in Municipal Utilities, Matt transferred to the wastewater treatment plant as an operator and was later promoted to foreman. He has also owned his own compliance and remediation company and was a contract operator for the city of Neelyville. He currently holds WW-A and DS-III certifications.

Melinda Piper

Job Titles:
  • Secretary

Melody Molder

Melody joined the MRWA team in June 2023. She worked for the City of Hermitage as their City Clerk for the last 5 years. She currently has an AA in Medical Administrative Assistant from Bolivar Technical College and a BA in Business Administration from the University of Phoenix.

Michael Bertschinger

Michael started in the water industry in 2001 as an equipment operator for a heavy construction company working with public water systems. He obtained an Advanced Onsite Wastewater Treatment Systems installer license through the state of Missouri in 2004. In 2007 he accepted the position of Vice President and continued to estimate and manage civil projects until he took the position of City Supervisor for the City of Auxvasse in 2014. Joining the MRWA team in 2022, Michael looks forward to utilizing his knowledge base to assist rural systems and to expand his own learning through their experiences.

Nathan Lines

Nathan joined the MRWA staff in March 2022, and has 15 years of experience in the water and wastewater industry. Prior to joining the MRWA staff, Nathan was the public works director for the City of Lincoln, where he served for 8 years. He currently holds a DS-II certification as well as a WW-D certification.

Paul Michael Shaw

Job Titles:
  • Member of the Board

Saem Yem

Job Titles:
  • MRWA Executive Staff Member
  • Member Services Secretary
Contact Saem regarding system, individual, or associate membership. As Member Services Secretary, she is responsible for tracking and updating the member database as well as the Resource Directory. Saem is also involved with conference preparations, bookkeeping, and federal program reporting.

Tammie Winter

Job Titles:
  • Member of the Board

Valarie Main

Before joining the MRWA team in September 2022, Valarie worked for the City of Otterville as city clerk. She is very active in her community serving on the PTO, Otterville Pool Board, and Otterville Fair Board. That same civic-mindedness was what drove Valarie to leave her 15-year career as a supervisor in the medical billing field to help her hometown through a difficult time.

Wayne Roderman

Holder of DW-A, DS-III, and WW-A certifications, Wayne joined the Missouri Rural Water Association team in January 1999 as Ground Water Technician. Wayne's experience includes 11 years as the water and wastewater superintendent for the City of Ellington. As Resource Conservation Circuit Rider, contact Wayne with questions regarding: