Executive Management

Ravi Chatwani

Chief Executive Officer

Ravi joined Prosum, Inc. in 1997 and now leads the overall strategy and direction of the company. Prior to Prosum, Ravi worked as a Director of Sales for Datumtech which supplied wireless data technologies to police departments and foreign governments and as a Systems Engineer for eight years across various commercial ventures of Hughes Aircraft Company.  Ravi is a member YPO (Young Presidents Organization) where he serves on the executive committee.  Ravi supports the LA Regional Foodbank where he serves as a Board of Directors.  Ravi serves on the advisory boards of Adriden Global, American Data Company, and Synotac.  In 2007, Ravi completed the MIT Entrepreneurial Masters Program.  Ravi received his BS and MS degrees in Electrical Engineering from the University of Southern California in 1994 and 1996.

Ken Aster


Ken has over 20 years experience in the Information Technology industry. Starting out as a systems engineer in the emerging data communications industry, Ken has worked in a variety of technical roles for some of Southern California’s leading aerospace companies. It was during this time that Ken decided to launch Prosum Technology Services in an effort to fill the gaps left by consulting firms he had encountered. Prosum was founded in 1996 with a focus on building lasting client relationships through flexible technology consulting tailored to each clients’ specific business needs. Over the past ten years, Ken has worked in every capacity at Prosum: from sales and consulting to recruiter and CEO. In 2003, he became the President of Prosum Staffing which has tripled in size under his leadership.

John Petri

Chief Financial Officer

John is responsible for the operating plans, policies and overall financial performance of Prosum. He has extensive experience in building and managing technology organizations and leading high-growth profitable businesses. Under John’s direction, Prosum’s revenues have increased over 200%. Prior to joining Prosum, John was Corporate Controller of a real estate development company, and a top financial corporation, where he created and implemented the company’s financial strategy prior to its acquisition by a leading competitor. He has also held management positions with several of the nation’s top companies. John studied Business Administration and Accounting at Cal Poly, San Luis Obispo.