Who We Are

It is the people who add depth to ADG’S relationships and luster to its projects. Their responses anticipate need – there is follow through and scrupulous attention to detail every step of the way. It is quality that drives ADG’S preference toward turnkey project delivery, which in turn leads us to work exclusively with the most prominent and respected partners in our industry. Ours is a culture that rewards initiative and extra effort and it is the fundamental reason for the group’s reputation

Jay Tallman


Jay Tallman has been working in real estate development, finance, and construction management for over 34 years. Active in the development of premier luxury condominiums, resort residences and golf course communities, Jay has become a well-known fixture along Florida’s Gulf Coast. While serving as senior development project manager for Tampa-based EcoGroup, Inc in the early nineties, Jay managed the design and construction of Vizcaya, a 50 unit, $50 million beachfront community on Longboat Key.

Subsequently, Jay partnered with Thomas Brown of U.S. Assets Group, where he went on to develop and manage multiple beach front condominium communities with a sellout value of over $225 million. In addition, Jay was a managing partner in the development of The Founders Club, a 700-acre, 262-home site golf club community featuring an 18-hole golf course designed by Robert Trent Jones Jr.

As a residential development consultant, Jay has also lent his talents to the owners/developers of numerous four and five-star resort properties, including the Ritz-Carlton, Sarasota. Prior to relocating to Florida Jay served in management for a variety of projects in Colorado including land development, multifamily housing and commercial development and construction.

Steve Barber


After 20 years in multi-faceted real estate development, Steve’s diverse experience and sound knowledge allow him to adapt easily to the demands of each ADG project. From pre-development and construction management to engineering and overseeing multi-family hi-rise, mixed-use, single family, and civil projects, Steve has added value to all aspects of our business. He is a Florida Certified General Contractor, a licensed Florida Realtor® and is a registered Professional Engineer in Georgia.