RubyNation: Dave was invited to join the Steering Committee for the RubyNation Conference so that he could assist the other members in organizing and launching a new regional conference focused on the Ruby programming language. In addition to organizational activities, Dave worked with other volunteers to build the RubyNation.org web site, as well as key documents such as the Sponsorship Prospectus.

Denvention 3: Dave volunteered his time and effort to assist in hosting the 66th World Science Fiction Convention in Denver, Colorado.

L.A. Con IV: Dave volunteered his time and effort to assist in hosting the 64th World Science Fiction Convention in Anaheim, CA. Besides working for the convention, Dave also found time to visit the bridge of the Starship Enterprise (NCC-1701).

Belle Terra Web Site: Dave volunteered in 2005 to develop a web presence for the newly built Belle Terra community. As chairman of the Web Committee for the Belle Terra Homeowners Association, Dave oversaw the design and implementation of the web site; in that role, he continues to provide ongoing support for the Belle Terra web site and the community newsletter.

Belle Terra Architectural Standards: On behalf of the Belle Terra Homeowners Association, Dave participated in the Architectural Recommendations Committee which was tasked in 2006 to recommend revisions to the Bell Terra Architectural Standards for the community. The committee unamiously decided that the guidelines established by the original developers were sadly deficient and resolved to rewrite the guidelines from scratch. Dave took a lead role in committee discussions and also functioned as the technical writer who pulled the new Belle Terra Architectural Guidelines together.

Director and Vice President: In 2007, Dave was elected as a Director for the Belle Terra HOA, and was later selected to be the Vice President of the organization.

Hadley's Park: Hadley's Park Inc. was a local grassroots non-profit organization created in 1996 by Shelley Kramm, of Potomac, Maryland to design, develop, fund and build handicapped-accessible playgrounds. In 2000 and 2001, Dave donated the time and effort to design, build and maintain the web site for the organization. The organization built several successful playgrounds in the Maryland and Virginia areas, including the Hadley's Park Playground at the Dulles Town Center in Dulles, VA.