Marv came to El Dorado in the Fall of 1986 to take a position with the El Dorado Chamber of Commerce. Marv had a big interest in all sports and especially coaching youngsters in the city recreational program where his grandson was an active participant. In 1990, communication was established with the National Baseball Congress to hold the Kansas State Tournament at McDonald Stadium. New lights were badly needed. Through his efforts and the City Commission's vision, new lights were funded and installed at the stadium. Several other improvements have since taken place at the stadium with the assistance of Marv, the City Recreation Department and City Commission. A new concession stand, new dugouts, the left field wall was upgraded and many other items got renewed attention.
Marv and his staff at the Chamber put together a volunteer force of over 100 people who operate and manage the NBC Regional Tournament. In 1995 the NBC agreed to play some of the NBC World Series games in El Dorado. This was also taken over by those same 100 volunteers.
The Wichita Broncos contacted Marv to determine if the community would be willing to assist and support them if they moved from Wichita to El Dorado when McDonald Stadium was freed up by the 13 to 15 year old teams moving to ther diamonds. That move then became a reality. Marv played a major role in paving the way for the Wichita Broncos to become the El Dorado Broncos.
In 1998 Marv was recognized by the National Baseball Congress for his contribution to baseball by awarding him the Raymond "HAP" Dumont Award at the 1999 NBC World Series.