| NAME | YEAR | TEAM | POSITION |
|---|
| Gabusi, Tony | 2005 | 18U | Assistant Coach |
| Gallo, Chris | 2010 | 18U | Press Officer |
| Garagiola Jr., Joe | 2015 | Professional | General Manager |
| 2011 | Professional, Professional | General Manager |
| Garber, Greg | 1986 | Collegiate | Press Officer |
| Garneau, Jay | 2015 | 12U | Press Officer |
| Garrido, Augie | 1990 | Collegiate | Assistant Coach |
| Garza, Monica | 2019 | Professional | Travel Coordinator |
| 2021 | Professional, Professional (Olympic) | Director of Travel Services |
| Gaski, Mike | 1991 | Collegiate | Delegation Head/Business Manager |
| 1992 | Collegiate (Olympics) | Delegation Head/Business Manager |
| 1998 | Collegiate | Assistant Coach |
| 2023 | Professional (WBC) | President |
| Gayo, Rene | 2016 | 18U | Assistant Coach |
| Gebeck, Chris | 1999 | Professional | Certified Athletic Trainer |
| 2000 | Collegiate | Certified Athletic Trainer |
| 2001 | Collegiate | Certified Athletic Trainer |
| 2002 | Collegiate | Certified Athletic Trainer |
| 2003 | Collegiate | Certified Athletic Trainer |
| 2011 | Professional, Professional | Certified Athletic Trainer |
| Gerlach, Troy | 2018 | 15U | Assistant Coach |
| 2022 | 12U | Assistant Coach |
| 2023 | 12U | Manager |
| Giarratano, Nini | 2010 | Collegiate | Assistant Coach |
| Giarratano, Nino | 2008 | Collegiate | Assistant Coach |
| Giles, DeAngelo | 2023 | Collegiate | NTC Operations Intern |
| Gill, Jason | 2012 | Collegiate | Assistant Coach |
| 2016 | Collegiate | Assistant Coach |
| Gillespie, Mike | 1997 | Collegiate | Assistant Coach |
| 2000 | Collegiate | Manager |
| Gillis, Scott | 2009 | 14U | Assistant Coach |
| Gilmore, Gary | 2024 | Collegiate | Manager |
| Ginsberg, Caleb | 2006 | Collegiate | Auxillary Coach |
| Gliot, Dan | 2017 | Collegiate | Press Officer |
| Godwin, Cliff | 2018 | Collegiate | Assistant Coach |
| 2022 | Collegiate | Third Base Coach |
| Goldburg, Steven | 2008 | Collegiate | Assistant Coach |
| Golden, Brandon | 2015 | Collegiate | Strength & Conditioning Coach |
| Golloway, Sunny | 2002 | Collegiate | Assistant Coach |
| Goodwin, James | 2015 | Women's | Operations Coordinator |
| Gordon, Jamey | 2014 | 18U | Certified Athletic Trainer |
| Grant, Dave | 1994 | 18U | Assistant Coach |
| 2001 | 18U | Manager |
| Gray, Malcolm | 2010 | Collegiate | Press Officer |
| Green, Charlie | 1988 | Collegiate | Manager |
| Green, Lance | 2004 | Women's | Assistant Coach |
| Greene, Charlie | 1989 | Collegiate | Manager |
| Gribkotf, Lee | 1964 | Collegiate (Olympics) | Coach |
| Griffey Jr., Ken | 2023 | Professional (WBC) | Hitting Coach |
| Griffith, Art | 2006 | 16U | Assistant Coach |
| Gross, Hunter | 2017 | 12U | Certified Athletic Trainer |
| 2019 | 15U | Certified Athletic Trainer |
| Gupton, Allison | 2021 | Collegiate | Director of Baseball Administration |
| 2022 | Collegiate | Director of Baseball Administration |
| 2023 | Collegiate | Director of Baseball Administration |
| 2024 | Collegiate, Professional | Director of Baseball Administration |
