Harvey Eugene Oyer III (born April 5, 1968) is an American author and attorney[1] from West Palm Beach, Florida.

[2] Pierce was one of several early settlers who planted thousands of coconuts salvaged from the Providencia Spanish shipwreck off of Palm Beach, Florida in January 1878.

[7] Oyer attended the University of Florida, where he graduated with a Bachelor of Arts degree in Economics with high honors, was elected to Phi Beta Kappa,[8] and was selected as the Most Outstanding Male Leader in the Class of 1990.

Oyer was awarded a Rotary Ambassadorial Scholarship and studied graduate economics at the Australian National University in Canberra, Australia.

[18][19] In 2024, Oyer is helping to promote the restoration of the Harriet Himmel theatre in West Palm Beach's CityPlace shopping and residential district.

[21] Subsequently, Oyer helped to create the Richard and Pat Johnson Palm Beach County History Museum in the restored Courthouse building.

Oyer’s team collected water samples in the same locations that Willoughby had 125 years earlier and tested for the same contaminants as well as PFAS substances, microplastics, and antibiotic-resistant genes.

[25] Oyer also participated in Explorers Club flagged expeditions to the remote highlands of Papua, New Guinea and performed underwater surveys of portions of the Bahama Islands.