Larry is an active member of several professional and community organizations:
Professional
- American Italian Historical Association
- Association for Talent Development
- Electronic Frontier Foundation
- Italian American Writers’ Association
- Italian Genealogical Society of America
- National Trust for Historic Preservation
- New Mexico Geographic Information Council
- North American Society for Sport History
- The Poetry Society of Texas
- POINT (Pursuing Our Italian Names Together)
- Professional Society of Drone Journalists
- Smithsonian Institution
- Society for American Baseball Research
- South Central Arc User Group
- Texas State Historical Association
