David Riddiford


David brings more than 25 years of experience directing the financial, accounting and business policies of private and publicly traded companies to his role with Apriva. In his current role of President, David works with the Apriva’s Board of Managers and management team to establish long-range goals, strategies, plans and policies, and ensure the financial success for the company. Previously, David served as Apriva’s Chief Financial Officer. Prior to joining Apriva, David held executive-level positions with Action Performance Companies and The Dial Corporation. David holds a Bachelor of Arts degree in Economics and Accounting from Westminster College in Fulton, Missouri and is a Certified Public Accountant.

Brian Sadowski

Chief Information Officer

Brian leads engineering, operations and information security for Apriva’s POS Gateway and spearheads technology and support solutions for Apriva’s network of Independent Software Vendors (ISVs) and Value Added Resellers (VARs). Brian comes to Apriva with over 25 years of experience in information technology, specifically focused on the payments industry for the past decade. Prior to joining Apriva, Brian held a number of executive positions, including chief information officer for Mercury Payment Systems, chief technology officer for Xerox Business Services, and chief technology officer for TSYS Acquiring Solutions. Brian holds a Bachelor of Science degree in Management Information Systems from the University of Maryland and is a veteran of the United States Marine Corps.

Brady Barnes

Senior Vice President of Application Engineering

Brady joined Apriva in 2010 after spending more than 30 years working with highly-regarded technology providers including Hewlett-Packard, Inter-Tel and Mitel. He currently serves as Apriva’s senior vice president of application engineering and is responsible for leading the development of Apriva’s industry-leading mobile point of sale (POS) applications. Brady’s past experiences include executive-level positions across software development, hardware development, digital-signal processing, training and technical support teams. Brady is a notable author, having published numerous technical articles, conference papers and design ideas in industry publications. He holds a Bachelor of Science degree in Electrical Engineering from Arizona State University.

Stacey Finley Tappin

Senior Vice President of Sales and Marketing

Stacey leads sales, business development, account management and marketing communications for Apriva. She drives company sales and profit growth from both new and existing customers and develops new channels of business revenue. Stacey began her career in the payments industry in 1991 with MasterCard Worldwide where she held a variety of positions in the organization during her 12-year tenure. In 2004, she joined TSYS Acquiring Solutions as an Executive Account Manager and by 2008 was appointed Vice President of Sales, generating over $60 million in revenues from new business. Stacey holds a Bachelor of Arts degree in Corporate Communications from Lindenwood University and has served on both the W.Net and the ETA Membership Committees.

Candee Ferris

Senior Vice President of Operations

Candee has more than 30 years of experience in enterprise operations management and is responsible for managing Apriva's day to day operations including cross departmental/enterprise policies, company objectives and initiatives. She directs a team of production support specialists to ensure the smooth operation of all Apriva's processes. Candee previously held executive management positions with Avnet, Pinacor/MicroAge and Supermarkets General Corporation/Pathmark. She earned a Bachelor of Science degree in Business Management from the University of Phoenix.