Our People

Teamwork is the ability to work together toward a common vision. The ability to direct individual accomplishments toward organizational objectives. It is the fuel that allows common people to attain uncommon results.

David W. Brinkman
President & Chief Executive Officer
David W. Brinkman, who has been an entrepreneur in the technology industry since 1985, served as a Computer Programmer for Health Technologies and Project Manager at Virtual Technologies, Inc. before co-founding AssureSign LLC’s two sister companies, Marketing Systems Group, Inc. and 3PV. Under his leadership as Chief Executive Officer of each company, both have grown exponentially since their inception. Building upon the highly successful track record of these two companies, David co-founded AssureSign LLC in January 2008. To launch this latest corporate venture, he has been involved in the development of some of the most innovative applications available in electronic signature software. In his spare time, David is a golfer and a volunteer pilot for Angel Flight. He is married with two children.
Donald Kratt
Chief Technology Officer
Donald was brought in to AssureSign’s sister company, 3PV, in 2003, and oversees the Software Engineering operations of both companies. He helped architect the AssureSign platform and constructed the engineering team, and he continues to oversee the telephony and software applications of the 3PV company. Previously, Donald has worked with other software companies, including the development of legal industry software applications at Equitrac and insurance automation products at Applied Systems. Originally from Dearborn, Michigan, Donald graduated in 1989 with a bachelors degree in finance from Wayne State University in Detroit, Michigan.
Larry Torri
Vice President of Sales
A veteran sales leader in telecommunication technologies, Larry is responsible for implementing sales strategies and managing sales efforts for AssureSign LLC. Larry joined the company from Nortel, where he was regional sales leader for contact center solutions. Prior to Nortel, he spent eight years with technology start-ups offering solutions focused on VoIP, billing and operational support solutions, and designing and leading sales efforts. Larry also held regional sales management positions at Aspect Communications and Fujitsu Business Communications Systems. He started his career with twelve years at Siemens Information Systems in various sales, sales training and sales management roles. Larry holds a bachelors degree in international business from Florida Atlantic University and is pursuing a masters degree in business administration from Nova Southeastern University.

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