| Biographical details | |
|---|---|
| Born | c. 1976 (age 47–48) |
| Playing career | |
| 1996–1998 | Dayton |
| Position(s) | Catcher |
| Coaching career (HC unless noted) | |
| 1999–2000 | Chicago (Asst.) |
| 2001–2002 | Central Michigan (Asst.) |
| 2003–2005 | Notre Dame (Asst.) |
| 2006–2008 | Michigan State |
| 2009–2011 | LSU (Asst.) |
| Head coaching record | |
| Overall | 75–85 |
David Grewe (born 1976) is the former head baseball coach at Michigan State University and former associate head baseball coach at Louisiana State University, and former head baseball coach at Milligan College, and former assistant baseball coach at Notre Dame, Central Michigan and University of Chicago. He won the 2009 National Championship in Omaha, Nebraska with the LSU Tigers.
In 2019, Grewe returned to South Bend, Indiana, to start a career in the RV industry working as a manufacturer's representative. Prior to that, he founded his own company, built a sports leadership platform called iRecruit1440, and launched a sports technology platform called RecruitsIQ, a computer software platform that organizes performance data, historical trends, and recruiting tendencies of college athletic programs and then makes it accessible for the recruitable athlete, using an algorithm and matching preferences.