Leadership Team

Meet Our Team: A passionate group working to help housing assistance programs operate better for those that need housing assistance and those that work tirelessly to provide it. With over 100 years of combined experience in affordable housing and technology, we know what it takes to solve real problems. Our mission? To bring fresh ideas, fairness, and real impact to the way housing programs work. Get to know the people behind the solutions making a difference.

About Mable

Our Founders

John Siegel Jr.

Co-Founder | Chief Technology Officer

John is a software prodigy with years of deploying cutting-edge AI and web technologies that make organizational workflows easy to manage. He has led system architecture and dev-ops projects for a variety of federal contractors and introduced many agencies to modern technology.

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Malcolm Westbrook

Founder | Chief Executive Officer

Malcolm is a consultant and real estate advisor that enjoys optimizing processes and streamlining client experiences. He is a $100M agent and has handled transactions in more than 30 US States. Malcolm's upbringing in public housing and work as a HCV landlord fuel his drive at Mable.

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Doug Kiester

Co-Founder | Chief Product Officer

Doug is a product design professional with a track record of creating user-friendly digital experiences for millions of Americans. He has led digital transformations for different federal agencies and enjoys turning complex ideas into intuitive, impactful experiences.

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