Alejandro “Alex” Cestero 

Alex Cestero has over 20 years of experience in leadership and executive roles in a variety of industries and major corporations, including more than 10 years as a senior executive and general counsel at successful, publicly-traded, multinational companies in energy, manufacturing and industrial services, all with sales between $500 million-$15 billion dollars. He has been involved in the development of strategic growth and operational strategies at several multinational companies, particularly in the areas of organizational transformation, product and service line expansions, acquisitions, and overall corporate development. Earlier in his career, Mr. Cestero practiced corporate law at two major, international law firms.

Alex lives in Houston, Texas with his wife and their three children. He is active in coaching youth sports and charitable and civic work in the community, as well as various roles with leadership, business, and legal organizations. He earned B.A. and M.B.A. degrees from Rice University and a J.D. from Stanford University Law School.

Chris Harrison
Vice President & CFO

Chris Harrison has over 30 years of experience in finance and accounting. He began his career with a six-year stint in a Big Eight public accounting firm, rising to the rank of audit manager, before moving into industry, where he held controller and senior executive roles in publicly traded, multinational companies in the energy and advertising sectors before joining AccuFleet International in 2001. A certified public accountant, Chris graduated from the University of Houston with a B.B.A in accounting.

Amber Gallaher
Vice President,
Human Resources 

Amber brings over 25 years of Human Resource experience with both small & large companies across varied industries including, Infrastructure, Finance and Oil & Gas.  She received undergraduate education from Kansas State University (Political Science/Pre-Law) and The Art Institute of Houston (Business Administration), and concluded at Rice University’s Glasscock School, receiving 2 Senior level HR Certifications.

She began her HR career in the Recruiting discipline and quickly moved into HR Management roles, ultimately leading organizations with workforce in excess of 7,000 employees across the US, Canada and South America.  Amber lives in Richmond, Texas, along with her Fiancé and 2 dogs. 

Todd Van Winkle 
Director of Technology, Systems and Capital Equipment

Todd Van Winkle has been with AccuFleet since 1998 and is responsible for the overall planning, organization, and execution of all Technology and System functions in support of operations and customer requirements, including proprietary and airline-specific needs. Additionally, provide key support to monitoring and measurement of key data and operating metrics designed to support customer goals.

Responsible for the management of company capital equipment including procurement activities, preventative maintenance, repair/replacement, appearance, and safety assurance. Todd’s primary focus is managing IT, technology, and project management initiatives for the company. He also leads the company’s process improvement team.

Mark Rudkin
Senior Director of Sales and Marketing

Mark Rudkin has over 25 years of experience in strategic sales and marketing with an analytic focus on brand building and revenue growth. Prior to joining AccuFleet International, he was the senior director of market research and analytics for the Houston Airport System for nearly 4 years where he managed passenger satisfaction and commercial development research taking IAH and HOU both to 4-star status.

Mark previously worked in private equity for a firm with over $1 billion in managed assets in Eastern Europe. During this time, he was entrenched in industries such as media, confectionary, retail pharma, beverage manufacturing, and software focusing on process improvement in sales and marketing channels, deal flow, investor relations, and corporate development. He has also previously had roles at Rice University as executive director of marketing for the Jones Graduate School of Business, a top 10 business school, and as global customer insight director for National Oilwell Varco, a publicly-traded manufacturer in the Oil and Gas industry.  He earned a B.F.A. in communications from Sam Houston State University and an M.B.A. from Rice University. 

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