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Management Team

The Management Team is comprised of all department heads for the City of Shawnee as well as a few other key members of the staff. The Management Team meets each Monday morning beginning at 9:00 a.m. and discusses a variety of city topics. Each member brings his/her own education, background and experience that makes our team very diverse but well balanced to assist in making important decisions that impact the City of Shawnee.

Staff Picture Justin Erickson
Dept: City Manager

Position: City Manager

Justin Erickson serves as the City Manager for the City of Shawnee and has been with the City since August 2008. He is originally from Washington State, where he worked as a land use planner in county and city government and was most recently a Senior Planner with the Cowlitz-Wahkiakum Council of Governments (CWCOG). While at the CWCOG, Justin worked with small and medium-sized communities on a variety of planning issues, simultaneously serving as a city planner, planning consultant, and executive officer of the county annexation review board. He has developed many city codes and ordinances and has worked extensively on long-range plans including comprehensive land use, and park and recreation plans. Justin holds a bachelor’s degree in geography and a master’s degree in natural and cultural resource management.
Staff Picture Mary Ann Karns
Dept: City Attorney

Position: City Attorney

Mary Ann Karns holds a Juris Doctorate with distinction from Oklahoma City University as well as a B.A. in English from OCU. She is admitted to practice in Oklahoma, the United States District Court for the Western District of Oklahoma, the United States Court of Appeals for the 10th Circuit. Her entire career has been focused on municipal law.

Ms. Karns became City Attorney in April of 2011. She has served as fulltime city attorney for Edmond and Stillwater, and while in private practice has represented a large number of Oklahoma communities. She has been a member of the Board of Directors of the Oklahoma Municipal Assurance Group and held all offices of the Oklahoma Association of Municipal Attorneys. She is a frequent lecturer for the Oklahoma Municipal League and many other municipal organizations, including the Oklahoma Court Clerks’ Association, the City Mangers Association of Oklahoma, the Code Enforcement Officials’ Association and the Oklahoma Cities and Towns Clerks Association. She is a recipient of the Don Rider Award, the highest award bestowed by the Oklahoma Municipal League.

Governor Henry named her to two state boards, the Oklahoma State Board of Examiners for Long Term Care Administrators (chair) and the Oklahoma Council for Children and Youth. Prior to that time, she served for 12 years (10 as chair) of the Oklahoma Merit Protection Commission.

She is a resident of Shawnee. Her adult daughter, Susan, lives in Los Angeles.

The Office of the City of Attorney provides representation for and legal advice to the City Commission, all departments, boards and agencies of the City. It also provides oversight for the Shawnee Municipal Court operations, exclusive of the Judge. Commission.
Staff Picture Cynthia Sementelli
Dept: City Treasurer

Position: Finance Director/City Treasurer

Cynthia Sementelli has served as the City of Shawnee Finance Director and Treasurer since June of 2010. Previously she resided in Florida where she began her career in 1999 in municipal government. Holding positions from senior accountant to interim City Manager. Prior to 1999 she was involved in the homebuilding industry.

She holds a bachelor’s of science from Florida State University with a minor in business. She is a member of the Governmental Finance Officers of America, Oklahoma Municipal Clerks and Treasures, the National Association of Treasures and is a member of the local Kiwanis. While in Florida she was an active member of the Florida GFOA and served on multiple boards. She has three children and 4 grandchildren.
Staff Picture Phyllis Loftis

Position: City Clerk

Phyllis began working for the City of Shawnee in August, 1999 as Deputy City Clerk. In September, 2007, she was named City Clerk/Court Clerk. I oversee the City Clerk’s Office, Utility Billing/Customer Service and Municipal Court. She is a member of the Oklahoma Municipal Clerks and Treasurers Association, International Institute of Municipal Clerks American Record Manager’s Association and Oklahoma Municipal Court Clerk’s Association. Prior to her employment with the City, Phyllis worked for the Pottawatomie County District Attorney for 5 years and, later, as a legal assistant for the West Law Firm. In 1997, she started the company “Legal Solutions” that provided free-lance legal services for attorneys in need of temporary legal assistance.

Phyllis was born in Oklahoma City and lived there until her family moved to the McLoud area during her high school years. She graduated from McLoud High School and attended Seminole State College.

Phyllis has been married to Rodney Loftis for 26 years. They have two daughters, Stephanie Pok and Jessica Loftis. They also have two grandchildren, Brayden and Brianna Pok. Their “empty nest” now includes a Corgi “Riley” and Schnauzer “Shadow”.

“I am very excited about the opportunity to serve as City Clerk. I am formulating long term goals for each department I oversee. However, providing the citizens of Shawnee with friendly and helpful customer service is my top priority.”
Staff Picture Tammy Johnson, M. ED, SPHR, SHRM-SCP, IPMA-CP
Dept: HR


joined the City of Shawnee in October of 2001. Tammy holds a Bachelors of Science in Education from Oklahoma Baptist University and a Masters degree in Education from University Of Central Oklahoma. Tammy taught in the Shawnee Public Schools for 15 years, Worked as a claims examiner at Mutual of Omaha and was the Deputy City Clerk for the City of Woodward.

Tammy is the 2nd Vice President for the Oklahoma Publie Employee Relations Association, a member of NPELRA and a member of SHRM. She obtained her National SPHR certification in December of 2014 and her SHRM-SCP certification in January of 2015. Tammy is married and has 4 children.
Staff Picture Stephen Nolen
Dept: Information Systems

Position: Chief Information Officer

Stephen Nolen is the Chief Information Officer for the City of Shawnee Oklahoma. He has been with Shawnee since January 2000 and previously server as the IT Director for the Citizen Potawatomi Nation and the Data Processing Director / Assistant to City Manager for the City of Tecumseh. Mr. Nolen has been involved in municipal or tribal government since 1991 and has worked in the Information Technology field since the early 80’s.
Mason Wilson
Dept: Police Department

Position: Interim Police Chief

Bio Coming Soon!
Staff Picture Dru Tischer
Dept: Fire Dept - City Hall

Position: Fire Chief

Dru Tischer is currently serving as the Fire Chief for the City of Shawnee. He has served with the City of Shawnee Fire Department since November of 1995 in the positions of Firefighter, Lieutenant, Deputy Fire Marshal and Deputy Fire Chief before promoting to the position of Fire Chief in September of 2015. Chief Tischer has earned Associate Degrees in Municipal Fire Protection and Fire Protection Technology from Oklahoma State University. He is a lifelong resident of Pottawatomie County growing up and attending school in Tecumseh, OK. Upon graduation from Tecumseh High School in 1991, he enlisted in the United States Army and served as an Infantryman from 1991 to 1995. He is married to Kristi Tischer formerly of Marion, KY.
Staff Picture DONALD D. LYNCH, C.E.M., M.E.P., O.C.E.M.
Dept: Emergency Management

Position: Emergency Management Director

Donald D. Lynch is the Assistant Fire Chief and Emergency Management Director for the City of Shawnee and Pottawatomie County, Oklahoma. He has been with the City since December, 2000. He administers the community’s emergency and disaster mitigation, preparedness, response, and recovery programs, provides for emergency resource assistance and training, and manages the City’s radio and telephone communications systems. He also serves as emergency Management Director for Pottawatomie County.

Prior to accepting his current position, Mr. Lynch served in various capacities with the Oklahoma Department of Emergency Management ranging from Operations Officer to Chief of the Response Division. He also served as Director of Emergency Management for Oklahoma County, Oklahoma and as Senior Operations Officer for the Claremore/Rogers County, Oklahoma Emergency Management Agency. He has an additional 10 years of service as a Fire Captain and Training Officer for the City of Catoosa, Oklahoma.

Mr. Lynch has worked many local emergencies and 19 Presidentially declared disasters. Following the April 19, 1995 bombing of the Alfred P. Murrah Federal Building in Oklahoma City, he was instrumental in directing the response and recovery efforts of Oklahoma County. In addition to aiding officials with assessment and repair of county buildings, Mr. Lynch served as a liaison between city, county, state, and Federal agencies, private sector organizations, and volunteer agencies, assisting with logistics and resources management.

Mr. Lynch is a past President of the Oklahoma Emergency Management Association. He is a recipient of both the Certified Emergency Manager credential from the International Association of Emergency Managers and the Oklahoma Certified Emergency Manager credential from the Oklahoma Emergency Management Association. He has also been awarded the Master Exercise Practitioner credential from the Federal Emergency Management Agency (FEMA). He was the first person in Oklahoma to receive certificates of completion for both the Professional Development and Applied Practices series of courses conducted by the FEMA.

Mr. Lynch is an Oklahoma Fire Service Instructor Level II and has completed over 3000 classroom hours in the allied emergency services. He teaches numerous courses for the Federal Emergency Management Agency (FEMA) including the Professional Development, Hazardous Materials, and Radiological series. He is also an adjunct faculty member at FEMA’s National Emergency Training Center located in Emmitsburg, Maryland.

Mr. Lynch holds both a Master of Public Administration degree with emphasis in emergency management and a Bachelor of Arts degree from the University of Oklahoma.

Mr. Lynch is a member of the Sine Nomine Choral Society of Central Oklahoma and has twice performed at the prestigious Carnegie Hall in New York City.
Staff Picture John Krywicki
Dept: Engineering

Position: City Engineer

Bio Coming Soon.
Staff Picture Steve Nelms
Dept: Utility Department

Position: Utilities Director

Bio coming soon!
Justin Debruin
Dept: Planning-Code Enforcement

Position: Community Development Director

Coming Soon!
Staff Picture Mike Jackson
Dept: Exposition Center

Position: Expo Director

Michael Jackson is the operations manager at the Heart of Oklahoma Exposition Center. He has been employed for the City of Shawnee at the Expo center since February 1, 1988. During that time he served as a supervisor on the expo grounds. While he was in that position he worked on event set-up’s and making sure the facilities were exactly like the event holder specified. Mike was promoted to superintendent of the expo grounds and conference center in august of 2007. Following that promotion he was then named the operations manager of the entire facility in November 2007. Some of Mike’s duties include meeting with prospective event holders, booking all events, handling any problems that occur on grounds. He also works one on one with the Expo’s trust authority to make sure the Expo is operating at its best capacity.

Mike has been an active part of the international finals youth rodeo since its start in 1993. It is billed as the world’s richest youth rodeo. While chairing the rodeo committee this year mike works with (8) different committees to ensure another successful year for the IFYR and the Shawnee Expo Center.

Much of the success of the expo center is because of the dedicated staff, many of which have made a lifelong commitment to the City of Shawnee. Mike has been a key role in that success by learning all he can about his events and getting to know his event holders on a personal level.

A lifelong Pottowatomie county resident, he was born in Shawnee city hospital and was a graduate of Tecumseh high school. Mike and his wife Holli have made the Bethel area their home for the past 16 years. Mike has 3 children Jared, Kelsey, and Seth. Also proud to call him grandpa, are Jakeb & Hailey. When Mike isn’t involved in activities at the Expo center he enjoys family time and woodworking, or you might find him coaching baseball with his son.
Staff Picture James Bryce
Dept: Parks

Position: Director of Operations

I started my career with the City of Shawnee in March of 1992 and went on to be Supervisor in 1994, Superintendent in 1998, Deputy Director of Operations in 2007, Interim Director of Operations in 2008, and finally Operations Director in 2011.The Director of Operations oversees the Parks Department, Fairview Cemetery, Fleet Maintenance, and Building Maintenance. I currently oversee 23 employees, 11 buildings and growing, all City vehicle and equipment repairs, and ground maintenance and repair of the City Parks, Cemetery, Shawnee Twin Lakes area, and road side mowing. I have enjoyed my time here with the City and look forward to a few more.

I was born in Shawnee and moved to the Bethel Acres area at a young age. I graduated High School at Bethel and still reside there to this day. I like to ride motorcycles, fish and hunt, camping, and Nascar. My wife’s name is Vonda, we have three daughters, Kristi, Robyn, and Ashly who are all married, and two grandchildren, Tristan and Courtney.
Staff Picture Keenan English
Dept: Airport

Position: Assistant Airport Manager

Keenan English has worked for the City of Shawnee since August of 2013 where he serves as the Assistant Airport Manager. Keenan graduated from the University of Oklahoma with a Bachelor’s degree in Aviation Management and a minor in Business, and has been active in aviation for many years. His background consists of working for the Tulsa Airport Authority and the Morristown Municipal Airport in New Jersey. Also, Keenan is currently the Central Region Director for the Oklahoma Airport Operators Association and stays very active within the American Association of Airport Executives. He considers himself very lucky to step into the Assistant Airport Manager’s position during a time where the airport has seen very significant growth and success.
Keenan was born and raised in Lindsay, OK and currently resides in Shawnee. In his spare time he enjoys playing and listening to music, golfing, camping, listening to podcasts and audio books, and running around the airport track.