Diane Fish is the CEO and founder of Twin Fish Interline Travel, a trusted interline travel agency based in Delray Beach, Florida. Established in 1995, the agency specializes in offering reduced-rate benefits for airline employees, military personnel, and first responders.

The agency's name, Twin Fish, is inspired by Diane's experience as a mother of twins, reflecting her connection to the business. Under her leadership, Twin Fish Interline Travel provides a wide range of travel services, including vacation planning, cruises, villa rentals, car rentals, and hotel resorts, ensuring seamless vacation experiences for clients.

In addition to her role at the agency, Diane is a licensed business coach and has been certified in sales, marketing, and leadership by Cardone University since 2024.

She leverages her expertise to train individuals interested in building their travel businesses, offering guidance on booking and selling travel as a side venture or what to do when you retire.

Diane's extensive travel experience spans numerous destinations, including Australia, New Zealand, Alaska, Canada, various European countries (such as Italy, Malta, Spain, Germany, France, England, Holland, and Belgium), and the Caribbean. She maintains affiliations with multiple cruise lines and vendors, regularly attends travel conferences across the USA, and is a member of the American Society of Travel Advisors (ASTA).