Management Team

Kevin Haar

President & Chief Executive Officer

Kevin Haar is a software industry executive with a wealth of experience in company building. Prior to joining Appistry, Kevin spent 17 years at Rational Software, where he played a key role in driving the company’s transformation from a fledgling software startup into an industry powerhouse with over $800 million in annual revenues. At the time of his departure from Rational–following the completion its $2.1 billion acquisition by IBM–Kevin served as its Senior Vice President of Worldwide Field Operations with responsibility for worldwide sales, consulting, training, support, and business development. In addition, Kevin sat on Rational’s executive management committee, through which the company’s four highest-ranking executives and two founders charted its strategic direction. Before his tenure at Rational, Kevin held a number of field and management positions at HP.

Kevin holds a Bachelor of Science in Electrical Engineering and a Master of Business Administration from Washington University in St. Louis.

Jean Roberson

Chief Financial Officer

Jean Roberson is a finance executive with 17 years of progressive experience in all areas of finance, treasury and accounting. Prior to joining Appistry, Jean was the Chief Financial Officer of Bandwidth Exchange Buildings, a real estate firm focused on the acquisition and management of properties serving telecommunication enterprises. In 1998 Jean co-founded Partner Communications and Services, an internet services provider, and served as its Chief Financial Officer. Jean also served as Treasurer for Purina Mills during the time of its sale to Koch Industries in 1998. She began her career as an auditor at Ernst & Young.

Jean holds a bachelor's degree from the University of Missouri and is a C.P.A.

Sam Charrington

Vice President of Product Management & Marketing

Sam Charrington is responsible for the company's overall marketing efforts, including marketing and brand strategy, product marketing and product management. Formerly, Sam was an early employee at Plumtree Software, where he made pivotal contributions in a variety of sales and marketing roles as the company grew from pre-revenue to over $80 million in annual income. Most recently, as Director of Business Development, he was responsible for defining and executing the company's technology partnering strategy. Previously, Sam held sales and marketing positions in AT&T's Business Multimedia Systems organization.

Sam holds a bachelor's degree in computer and systems engineering from Rensselaer Polytechnic Institute and a master's degree in electrical engineering from Northwestern University.

Justin Fite

Vice President of Sales

Justin Fite leads Appistry's worldwide sales organization. Prior to joining Appistry in 2005, Justin spent 13 years with Rational Software in various sales management roles and supported the company's growth from $10 million to over $850 million in annual sales through its successful acquisition by IBM in 2003. Fite began his career as a software engineer in 1986 at Boeing in St. Louis, Missouri.

Justin hold's a bachelor's degree in computer science from the University of Missouri.

Michael Groner

Chief Architect

Michael Groner is an Appistry founder and is responsible for the technical architecture and vision behind Appistry products. Prior to co-founding Appistry, Michael served in various capacities at PaylinX and, after its acquisition, at CyberSource. One of the earliest PaylinX employees, Michael held the position of Chief Architect at the company. Michael led the development of several versions of the PaylinX Payment Server. Later, as Director of Software Development at CyberSource, Michael managed the integration of the PaylinX and CyberSource products and development teams. Michael began his career as a developer with Tapestry Computing where he designed and implemented PayPort 1.x, the foundation for the PaylinX concept.

Michael holds bachelor's and master's degrees in computer science from Washington University in St. Louis.

Mark Sundt

Vice President of Professional Services

Mark Sundt plays an integral role in ensuring the success of Appistry customers and strengthening the company's network of strategic partners. Mark joins Appistry from Microsoft, where he spent fourteen years focusing on consulting and developer evangelism. Most recently, as the Central Region Practice Manager for Microsoft Business Solutions (MBS) Consulting, Mark managed an organization of fifty consultants and managers responsible for deploying MBS solutions. Prior to joining the MBS organization, Mark was responsible for the sales and deployment of .NET solutions in the Enterprise Customer Channel. Prior to joining Microsoft in 1990, Mark spent seven years as Software Engineer for General Dynamics in Texas where he focused on CAD/CAM software development.

Mark holds a bachelor's degree in Information Systems from the University of Texas.

Company Founders

Bob Lozano

Chief Strategist

Michael Groner

Chief Architect

Aaron Hinni

Sr. Developer

Guerry Semones

Product Manager