Community Development Director Mark Trosen Announces Retirement

Grain Valley, MO (January 2, 2025) - The City of Grain Valley announces the retirement of Community Development Director Mark Trosen, whose career in public service has spanned decades. Trosen has been a vital part of the City team for the past five years, leaving a lasting impact on Grain Valley through his dedication to planning, development, and community growth.

“I can’t thank Mark enough for the last five years he has given to the City of Grain Valley. His wealth of knowledge and experience has been invaluable as we’ve grown. I’m thankful for the time we’ve worked together and am excited for him and Rhonda and all the adventures they’ll go on in retirement.” said Ken Murphy, City Administrator.

Before joining the City of Grain Valley, Trosen served in various public service roles with Jackson County, where he gained extensive experience in parks, public works and administration. During his time with Grain Valley, Trosen played a critical role in the pavement management program, leading efforts to update the City’s Comprehensive Master Plan, CERP (Computer Equipment Replacement Program) improvements, securing multiple grants, and planning the new water tower.

“I want to thank Ken for hiring me and entrusting me to lead the Community Development Department. Working for the City has been a wonderful experience for me. The city staff is so friendly, professional, and driven to make the city a better place to live and work. I couldn’t have asked for a better ending to my working career.”

The City wishes him all the best as he embarks on this new chapter. As Trosen transitions into retirement, the City extends its deepest appreciation for his years of dedicated service. Trosen’s last day with the City will be Friday, January 3rd.