Copyright © 2016 Gerr Marine, Inc.


Dave Gerr founded Gerr Marine, Inc., in 1983. Based in New York City, the firm designs both yachts and commercial vessels, and probably works on a wider assortment of boat types than any other design office, sail and power, yacht and commercial, monohull and multihull.

In 1981, Gerr started as a naval architect at MacLear & Harris, Inc., where work concentrated on megayachts, power and sail, and where much pioneering design in large and small multihulls was done. Gerr has also built, repaired, and lofted a wide variety of boats, and has supervised fiberglass/composite production on the shop floor.

In addition, Gerr performs specialized surveys for insurance companies and law firms. He has been an expert witness on a broad assortment of cases, from marine-related homicides to routine insurance and damage suits.

Gerr is the author of Propeller Handbook, The Elements of Boat Strength , The Nature of Boats, and Boat Mechanical Systems Handbook , all published by International Marine/McGraw-Hill. He has written over 400 articles on boats and boat design that have appeared in almost every major boating magazine, and he has been a contributing editor for Yachting, Offshore, and Boatbuilder magazines.

A graduate of the Westlawn Institute of Marine Technology, Gerr studied physics at New York University and industrial design at Pratt Institute. A Chartered Engineer (CEng) and a Fellow of the Royal Institution of Naval Architects (RINA), Gerr served as the director of the Westlawn Institute of Marine Technology from 2003 through 2015. He is an adjunct professor at SUNY Maritime College, where he lectures on boat design and engineering graphics.

Click here to read an article on Dave Gerr, published in Yachts International.