We are one team, and each person plays an integral role.
DAVID G. O’NEIL | CEO & FOUNDER
Founder / CEO Brynn Grey (est. 1994) | Innovative Real Estate Developer | Inventor | Advocate Conscious Capitalism
MISSION
David’s businesses seek to serve, create place, and connect people.
PROFESSIONAL EXPERIENCE
Brynn Grey
Founder/CEO (since 1994)
David O’Neil, Founder / CEO Brynn Grey which he started in 1994 to create real neighborhoods with a sense of community and place. Brynn Grey recently completed development of the World’s Highest Transit Oriented Development which is anchored by Whole Foods Market. Other projects include the Wellington Neighborhood, Breckenridge, CO; Peak One Neighborhood, Frisco, CO; and Eighth & Pearl Shops & Residences, Boulder. Project recognition has included EPA National Award for Smart Growth Achievement, Congress of New Urbanism Charter Award and nationally televised profile on HGTV “The Dream Builders”. David is also an inventor and patent holder.
He attended the University of Denver (Bachelor of Arts & Juris Doctor) and the University of Colorado (Masters of Public Administration). David has spoken on traditional neighborhood development and public/private partnerships at numerous conferences, including American Planning Association National Convention, Green Build International Conference and Expo, National Continuing Legal Education Conference and several Urban Land Institute Panels.
David currently splits his time between Boulder, the high country and Washington, DC and has two children, both graduated with honors from UVA. His son has a Masters in Religious Studies and is in the music industry, and his daughter is a Director Aspen Institute Global Leadership Network. David enjoys ultralight backpacking, hiking, swimming, sailing, ski touring and yoga.
David is a proponent of Conscious Capitalism, and his businesses seek to serve, create place and connect people.
Michael Gardner
Chief Operating OfficerWith an extensive background in managing high-growth startups, Michael runs BRYNN GREY’s IT and daily operations. Michael is a licensed airline pilot, and has traveled all over the world. He now splits his time between Boulder, CO and Las Catalinas, Costa Rica with his wife. He has a daughter recently graduated from Colorado College.
Samantha Jordan
Marketing + Design DirectorSamantha brings over two decades of experience in graphic design, marketing, and brand strategy to her role as Marketing + Design Director at Brynn Grey. With a background that spans in-house creative direction, agency work, and independent consulting, she has led the development of integrated campaigns across digital and print, video and photography, signage, and web.
Her work combines storytelling and strategy, helping brands and developments express a clear, compelling identity. Samantha holds a BA in Graphic Design and Business from William Woods College, with additional design education from the Massachusetts College of Art, RISD, and the Cleveland Institute of Art. She is passionate about design as a tool for creating meaningful connections and vibrant community. Samantha lives in Boulder, CO and has two daughters living in NYC, NY.
Erin Balthazor
Sales Team LeadErin brings a background in medical sales and a Bachelor of Science in Biochemistry to her role at Brynn Grey. A Frisco local and avid mountain biker, climber, and skier, she understands firsthand the mountain lifestyle that draws people here. Naturally outgoing and deeply people-oriented, Erin is known for building genuine relationships and making clients feel immediately at ease.
Known for her consultative, relationship-driven approach, Erin partners closely with buyers to understand not just what they need in a home, but how to achieve the lifestyle to which they aspire. Her transition into real estate reflects a natural extension of Brynn Grey’s mission: solving problems, creating place, and fostering meaningful connection.
Carol March
Director of FinanceCarol has been a member of the team since 2000, and oversees all the Brynn Grey company’s finances, accounting and banking relationships. She and her husband have lived in Boulder for over 52 years, and they have three children.
Alexandra Erickson
Associate DeveloperAlexandra is Director of Strategic Initiatives, where she works at the intersection of design, policy, and market strategy to support early-stage development decision-making. With a foundation in architecture and a Bachelor of Environmental Design from the University of Colorado Boulder, she brings a systems-oriented approach to evaluating sites, shaping development pathways, and framing complex problems in ways that support clarity and action.
Her work focuses on translating regulatory, spatial, and operational constraints into structured frameworks, tools, and visual narratives that inform acquisition strategy, entitlement planning, and internal alignment. She is particularly interested in how creative problem solving, analytical rigor, and clear communication can expand what is feasible within complex regulatory and market contexts.
Working closely with architects, engineers, consultants, and leadership, Alexandra bridges concept, analysis, and execution — supporting innovative, resilient, and commercially grounded projects that advance Brynn Grey’s broader development vision.
Camilla Gardner
Project ManagerCamilla brings a strong background in sustainability consulting and finance to Brynn Grey’s development team. She holds a double major in economics and environmental chemistry from Colorado College and is a LEED Green Associate. Committed to the triple bottom line — balancing people, planet, and profit — Camilla supports the planning and execution of innovative, community-focused developments that reflect Brynn Grey’s mission to solve problems, create place, and connect people.
