Stephen Haskin

Chief Executive Officer

As CEO, Stephen brings a deep customer-centric view of proptech software based upon his 10 years working in real estate acquisitions, asset management and property management.

While working in Private Equity, he led the acquisition and development of over $500 million in multi-family and mixed-use projects throughout the United States.  Prior to joining Buildup, Stephen worked for San Francisco based Mosser Capital Management, a large private equity firm specializing in multi-family real estate investments and operations where he was a former Buildup customer.

Stephen graduated from Colgate University with a BA Degree in Geography.


Eric Stone

Chief Technology Officer

Programming since he was 8 years old, Eric Stone has been a Silicon Valley entrepreneur since 1997 when he opened Alphabit Media, an e-commerce company.  After Alphabit, Eric served as the most senior Systems Engineer at Wells Fargo and then as an Engineering Manager responsible for the operation of, and In 2006 Eric founded Kadoink, a social network product for MySpace, and in 2008 he founded Telesocial, a Twilio like platform as a service.  While at Telesocial, Eric began building mobile apps in 2009 and has released dozens.

Eric holds a BA in biochemistry and molecular biology from Boston University and a masters degree in biotechnology from Boston University.


Evan DeMarco

Vice President

Evan manages Buildup’s new business acquisition nationwide.  He has extensive experience working with real estate developers, general contractors and subcontractors from the pre-construction phase through project completion. Prior to joining Buildup, Evan held sales and business development roles in multiple industries including: construction technology, real estate, online advertising, and logistics.

Evan earned his Bachelor’s Degree in Business from Northeastern University with an emphasis on Management and Marketing.