Our Firm


Tuan Palmer

Founding Partner

Vetting Promising Startups

With over 20 years experience in investing as a top partner for New York Life, Brokerage Director for Mass Mutual and Managing Partner of Stryker Capital Management, Tuan founded ATZ on the idea that investor experiences should be individualized.

He brings extensive investment expertise to the ATZ team and has a keen sense for vetting prospective businesses grounded in the depth of his background experience in business development, capital management and investing. Prior to founding ATZ, Tuan was the Chief Business Development Officer at SNT, spent 4 years as a Brokerage Director at Mass Mutual and 6.5 years at New York Life Insurance Company as a Partner.


John Sifonis

Founding Partner

Business & Technology Management

John has over thirty-eight years business and technology management consulting experience with Global 500 corporations in Europe, South America, Japan, and Africa. He is recognized for his expertise in formulating and delivering innovative business and technology solutions for competitive advantage. He has held senior executive positions in international consulting firms and emerging technology ventures. His experience also includes over ten years as a board member of company’s high tech and enterprise companies. Specialties: Ability to gain a deep understanding of theoretical concepts with the capability to turn concepts in pragmatics. Experienced in building trusted adviser relationships with boards of directors and senior management. Experienced in communications, experienced public speaker; best selling author (Wall Street Journal Bestseller business book). Pragmatic experience in leading companies from innovation to commercialization.

John Sifonis leads the way for the global business community. His status as a legendary economic and technology expert is unquestioned. He has a nose for innovation and a finger on the pulse of what constitutes a winning formula for success.

Tony Compton

I could not thank you enough for your time and invaluable mentoring and coaching. Through your wonderful sense of humor and wits you have made this internship an extraordinary experience. I have been blessed with a wonderful opportunity.

Konrad Krolls


John and I have been long time colleagues dating back to when we were both partners with Arthur Young & Company. We have undertaken many joint projects over the years including taking a startup energy company into the public marketplace.

CEO, Teamwork Dynamics, Inc.

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