Treva J. Marshall has been a guest speaker at numerous regional, local and national events:

• Public Relations Society of America National Travel and Tourism Conference
  New York, NY
  
  
• Florida Public Relations Association
  Gainesville, Sarasota, Orlando and Ft. Myers chapters
  
  
• Florida Public Relations District Conference
  Ponte Vedra Beach, FL
  
  
• Coalition on Donation National Convention
  Atlanta, GA
  
  
• National Association of Black Journalists Annual Conventions
  Phoenix, AZ; Orlando, FL
  
  
• Delta Sigma Theta Sorority Annual Scholarship Event
  Tampa, FL
  
  
• Rollins College
  Winter Park, FL
  
  
• Multicultural Tourism Conference
  Jacksonville, FL
  
  
• National Coalition of Marketing and Public Relations Professionals
  Orlando, FL
  
  
• Florida Public Relations Association Professional Development Conference
  Orlando, FL