Ambassador Mid-West Floor Adds Mummau & Petersen To Team

Chesterfield, MO, June 13, 2025-Ambassador Mid-West Floor recently made strategic additions to its executive team, adding experienced flooring professionals Reist Mummau and RJ Petersen. 

As the vice president of sales and business development, Mummau brings a wealth of knowledge to Ambassador Mid-West, most recently serving as executive vice president at Happy Floors Distribution. With more than 25 years in the flooring industry, Mummau will oversee all sales efforts across retail, builder and pro business divisions. Mummau also will work closely with estimating and customer service teams to refine strategy and strengthen customer relationships.

RJ Petersen joins Ambassador Mid-West as the vice president of operations and technology, bringing more than two decades of experience streamlining processes, leading teams, and implementing strategic technology solutions to increase efficiencies.

Prior to joining Ambassador Mid-West, Petersen served as director of professional services at RFMS for 19 years, where he led major implementations, helped clients maximize technology effectiveness, and built high-performing teams that consistently exceeded expectations.