- 2017-Current: Admiral Farragut Academy Head Softball Coach/Athletic Director
- 2009- 2016: Admiral Farragut Academy Head Softball Coach/Associate Athletic Director
- 2007-Current: Florida Fury/Team FLA Club Manager All ages/ Head Coach Coach 18UGold
- 2001-Current: Owner of LDI Sports Consulting
- 2001-2006: Head Coach Palm Beach Community College
- 2003: Head Coach NY/NJ Juggernaut National Professional Fastpitch
- 1998-2001: Head Coach Tampa Bay Firestix Women’s Professional Softball League
- 1996-1998: Head Coach Indiana State University
- 1990-1988: Head Softball/Assistant Basketball coach East Stroudsburg University
- 1994-1996: Assistant Softball Coach United States Military Academy (West Point)
- 1991-1994: Assistant Softball Coach Temple University
- 1991: Assistant softball Coach Drexel University
- Basketball/ Softball Slippery Rock University / Allentown Women’s Majors Softball Team. Slippery Rock Hall of Fame Inductee class of 2003.
- BS Health and PE Teaching – 1987
- MS Sport Administration Temple University – 1993
1998 the Women’s Professional Softball League hired Linda as the first full time head coach of the Tampa Bay Firestix. Under Derk’s guidance, the Firestix won the 1999 regular and post season championships. That year she was named Coach of the Year and All-Star Coach. Since the professional days Linda has been a successful business owner who travels around the world instructing Fast-pitch softball. In her free time she likes to travel, outdoor activities, spend time with family/friends, and do DIY projects around her home.