About Us

Experienced Leadership


Cornerstone is led by seasoned, professional, technologists.



President | Managing Partner | System Architect

Mr. Swan is the President and a managing partner of Cornerstone Technology Partners, Inc. Swan has over 30 years of experience delivering innovative IT solutions over a wide range of platforms. Over his career, Mr. Swan has been a founder of multiple companies, and member of senior management teams, developing software products and providing IT consulting services as both a technical manager and a software architect.




Managing Partner | System Architect | Team Lead

Steve Manousos joined Cornerstone Technology Partners in January of 2000 as a managing partner. Manousos has over 25 years of experience in software architecture and development. His experience spans all phases of the software development process, from product conception through deployment. Steve has participated in a senior leadership role in both large and small scale efforts across a wide spectrum of the software development arena including traditional desktop, web based, and mobile applications. This includes several widely recognized industry-acclaimed products such as the MultiMate word processor, the Lotus 1-2-3 spreadsheet, and the Lotus Desktop for the IBM Network Computer.




Managing Partner | System Architect | Team Lead

Gregg Gianopulos joined Cornerstone in June 2000 as a Managing Partner. Mr. Gianopulos has enjoyed more than 20 years in the professional software development industry and brings that experience to the table with every client engagement. During his professoinal tenure Gianopulos has contributed as a software engineer, a software system architect, team leader, technology innovator, manager, and business leader. Gianopulos has contributed as a technology leader on projects ranging from Internet startups to International Consumer Banking, both as a consultant as well as holding staff engineering, and managerial positions.




Director Epilio | Team Lead | Lotus Sametime | Consultant

Mr. Tyler heads the real-time collaboration solutions division “Epilio” of Cornerstone Technology Partners. Epilio is a division focused on deliverying high quality applications and turn-key solutions to clients of collaboration software similar to Lotus / IBM Sametime and Microsoft Office Communications Server.