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Sheriff Dennis M. Lemma (R)



BS degree, criminal justice administration, Columbia College; MA degree, administrative leadership, University of Oklahoma; FBI National Academy graduate; FDLE Chief Executive Institute, graduate.


U.S. Marine Corps. 


Seminole County Sheriff’s Office, 1992-present, rose in rank to chief deputy; elected Sheriff of Seminole County, 2016.

Honors and Affiliations

Community Service Award recipient; Hugh Thomas Excellence Award recipient; Puerto Rican Award recipient, 2018; member, Aspire Healthcare Board of Directors; member, Central Florida Homeless Coalition Executive Board; member, Central Florida Crimeline Board of Directors; member, FBI National Academy Associates (FBINAA); member, International Association of Chiefs of Police (IACP); member, Large Jail Network; member, Major County Sheriffs of America; member, National Sheriffs Association; member, Police Executive Research Forum (PERF); member, Kids House of Central Florida Board of Directors; member, Boy Scouts of America Central Florida Council Board of Directors; member, Boys & Girls Club of Central Florida Board of Directors; member, Florida Criminal Justice Executive Institute Board of Directors.