Management

Bill Wentworth

President and CEO

Bill Wentworth comes to Data I/O with a wealth of industry experience spanning over 35 years, including private equity and M&A exposure. As the CEO of Source Electronics, the global market share leader in programming and test services, he was a Data I/O customer and led the sale of controlling interest of Source Electronics to HIG Capital in 2001 and the company’s subsequent sale to Avnet in 2008 with significant investor return. Under Bill's leadership, Source developed compelling programming solutions for the automotive and consumer industries, expanding the business and limiting its industry and customer concentration. More recently, as President and owner of Wentworth Advisors, he has consulted in the programming, IT, and private equity markets, focusing on expanding deal flow, performing due diligence and Board service.

Bill has been a member of the Board of Directors of Data I/O since May 2023, serving as Chair of the Corporate Governance & Nominating Committee and member of the Audit and Compensation Committees.

Charlie DiBona

VP of Finance

Charlie DiBona joined Data I/O in August 2025 and is our VP of Finance. With a career spanning nearly two decades, Charile brings a wealth of experience and leadership across financial reporting, resource optimization, IT system implementation and management, capital markets and merger and acquisition functions. He also brings significant strategy management experience from his position as General Manager, Strategy and M&A, Server and Tools Business at Microsoft.  Most recently, he held CFO and financial operations roles for diverse technology companies, with contributions including expanded market presence, enhanced product offerings, and establishment of robust cross-departmental policies to increase efficiency, controls and compliance.  Earlier, he served as an equity research analyst covering the enterprise software sector and worked in private equity performing portfolio management and analysis of diverse public and private companies.  Charlie holds a Masters of Business Administration from Harvard Business School and an A.B. in Economics, Magna Cum Laude, from Harvard University.