Coaches & Directors

We are here to support your needs. If your questions are related to workouts, meets, events, goal setting, and other swimming related needs, please contact your swimmers coach. For all other questions such as dues, safety, or policy issues, please contact Coach Greg.

Coaching Staff

Greg Orphanides

Head Coach


Education: Portsmouth University - B.A. in Accounting.

Greg has been involved in swimming for over 20 years, and throughout that time has been successful both in and out of the pool.

As a swimmer, Greg always strove for his goals and pursued excellence. At the height of his career Greg represented Great Britain for 10 years at various national and international competitions including the World and European Championships. Greg still competes in Masters swim meets and holds World and European records in both distance freestyle and IM events. As a coach, he has seen even more success progressing several athletes to National Standards. Prior to becoming the Head Coach at Houston Cougar Aquatic Sports, Greg was the Age Group Swimming Coach and Swimming Development Officer in Glasgow, Scotland where he was responsible for organizing all swimming lessons in addition to managing over 40 swim teachers. Since joining COOGS, Greg has led the team to its best finish ever at Sectionals and guide swimmers to TAGS, Junior National, and National Championships.

Greg has an enthusiasm for coaching and is an inspiration to our COOGS swimmers.

Bob B Tweedy

Age Group Coach - South


Education:  University of Arizona – degrees in Journalism and Athletic Coaching
Four year letterman of the Swimming & Diving team at Arizona. Began his coaching career in 1979 and has coached swimmers at various levels:  summer league, high school, and US club programs. Currently works with the age-groupers at the COOGS south location where the emphasis is building correct stroke technique that provides a solid foundation for future success and love of the sport. In his day job he is an astronaut trainer, teaching International Space Station crews how to exercise in microgravity.
The best part about being on the Coog Coaching staff are fellow coaches he’s privileged to work with and, of course, the athletes who train in the program.

Melanie Rosen

Development Coach