Geri Murphy is the world's most published female underwater photojournalist with an impressive record of more than 200 cover shots gracing such magazines as: Skin Diver, Sport Diver, Aquarium, Texas Flyer, Sub-Aqua, Mundo Sommerso, Photographic and many others. She has generated more than 1,000 travel features, product and photography articles.

Geri was the first photojournalist to photograph and document Stingray City - which she named in the first story ever written about this world famous dive in the Cayman Islands. Geri launched her diving career in 1967, diving the shipwrecks off the New Jersey coast. In 1969 she became a certified scuba instructor with credentials from PADI, NAUI and YMCA. In the early 1970s, she was employed as the first female scuba instructor on the island of Bonaire. She eventually took over management of the photo lab and became the resort's underwater resident photographer.

In 1973, Geri joined the production company for Cornell Wilde's theater release movie, Shark's Treasure. She continued
her Hollywood career in 1975, devoting six months to the filming of Columbia Pictures movie epic, The Deep. Working underwater at three separate locations: the British Virgin Islands, Bermuda and Australia. Murphy served as underwater Script Supervisor as well as safety diver for Nick Nolte & Jackie Bissett. Her first article for Skin Diver Magazine was Behind The Scenes filming of The Deep in Australia.

She spent the past 30 years traveling around the world with her husband Paul Tzimoulis, (deceased) Publisher and Editor of Skin Diver Magazine. Together they covered such unique activities as shark tagging contests, congregating manta rays, encounters with dolphins, liveaboard cruises to exotic locations, shipwreck search and shark feeding.

Geri has written two PADI underwater photography books; Camera Basics & Equipment Care, Macro Photography and Wide Angle Photography. She authored hundreds of underwater photography articles, photo products and how-to features.