Joe Barna


Before founding CDE Services out of his garage in 1989, Joseph Barna Sr. worked as both a Field Service Engineer and Field Service Manager for Digital Equipment Corporation in Atlanta. His business-savvy mind paired with his interest in technology gave him the idea to create CDE Services, a company that would provide POS terminal repair services at a great price to businesses that relied on successful electronic payment processing. During his tenure as CEO, Joseph grew CDE into a leader in the payment processing terminal repair business and continued to expand the business into a full POS terminal solutions provider.

Joe Cohane

Chief Executive Officer

Joe Cohane is a C-level executive with an exemplary record of driving sales revenues and profit growth, establishing new distribution channels, improving efficiency and building long-term, strategic partnerships. He utilizes a creative and collaborative management style to lead as CDE’s CEO.

Throughout his extensive 32-year career in the payments industry, he has gained leadership experience in P&L management, strategy, credit and risk management, product management, international operations, mergers and acquisitions, market expansion strategies and global partner strategies.

Prior to joining CDE, Joe was a key participant in the development of three successful start-up companies creating valuations in excess of $2.5B. He has held senior management positions in global processing firms including Citibank, Global Payments, Elavon, U.S. Bancorp and Vanco Payment Solutions.

Joe and his wife, Christine, enjoy college football, lake life and golf at Pinehurst with their extended family of 10 siblings and 20 nieces and nephews.

Stephanie Sharp

Chief Financial Officer

Stephanie Sharp is an accomplished CFO and senior executive who leverages her leadership skills to support CDE in the areas of corporate finance, business, human resources, MIS, facilities, compliance and legal operations.

Throughout her 25-year career in the payments industry, she has demonstrated a proven ability to increase profitability and cash flow, reduce spending and improve operational performance. With experience in establishing and documenting payments strategy as well as leading accounting, finance, HR, compliance, M&A and capital raises, Stephanie is uniquely qualified to oversee the financial health of the business.

Her background ranges from managing in start-up and established business environments to directing investor relations and investment banker due diligence. She is an innovative entrepreneur with a passion for creating value solutions. Stephanie and her husband, Joe, enjoy spending time at the lake and have two children who are both studying at Auburn University.

Daniel Merchant


Daniel Merchant serves as CDE’s president, with responsibility to establish the vision of CDE’s data architecture and leverage that information to better understand CDE’s performance across business lines as well as produce analytics that support a wide range of business decisions from operational to strategic.

Daniel has previously served as production manager and director of operations, giving him a comprehensive understanding of CDE’s capabilities and processes in all areas of the business. Daniel has been instrumental in the ongoing development of CDE’s goEBT program.

Prior to his tenure at CDE, Daniel worked in the commercial construction industry for more than 20 years as a senior project manager for several top five US construction companies. Working on projects ranging from $1M to $300M allowed Daniel to develop a wide range of business skills that have translated well to the operational needs at CDE.

Daniel and his wife Debbie have twin daughters, Evelyn and Amelia. He enjoys spending his free time outdoors rock climbing, backpacking, camping and biking with his family.

Joseph Barna

EVP of Government Payment

Joseph currently serves as executive vice president of government payments. He is a payments executive with more than 26 years of experience in merchant acquiring and payment processing technology. Joseph has been instrumental in building the business by bringing new technologies to market.

Prior to serving as EVP of government payments, Joseph served as the VP of sales at CDE for more than four years. Joseph resides in Marietta, GA with his wife, Stefaney, and has two children, Charlie and Lorelei. In his spare time, he enjoys playing soccer.

Randy Siebold

Chief Commercial Officer

Randy Siebold has been with CDE since 2015 and currently serves as CDE’s chief commercial officer, responsible for the development, implementation and execution of company strategies and commercial success.

Over the past 20+ years, Randy has held numerous sales and business development leadership posts in the payments industry and related markets. Randy served as Vanco Payment Solutions’ SVP of business development, where he was responsible for establishing channel partnerships. Prior to that, Siebold was head of sales for Capital Payment Systems (now Bluefin Payment Systems).

Randy and his wife, Linda, have two grown daughters and reside in the Atlanta area. He also enjoys tennis, golf and anything outdoors in his free time.

Mark Buckner

Chief Information Officer

Mark Buckner serves as CDE’s chief information officer, responsible for all facets of the company’s business systems and technology infrastructure. Mark stands at the forefront of the fast-moving technology field.

Over the past 20+ years, Mark has established a consistent record of delivering value-added services and projects that align with business strategy by transforming information technology into a flexible, scalable organization that promotes innovative and cost-effective technology solutions.

Before joining CDE, Mark was CIO for Superior Essex, Inc., a leading manufacturer and distributor of wire and cable products. Mark and his wife, Lisa, have two children: Alyx and Evan. Mark recently ended a 12-year run coaching youth travel baseball. He now focuses on his golf game and other less frustrating outdoor activities.

Dorota Castillo

VP of PMO and Business Integration

Born and raised in Poland, Dorota moved to United States after graduating with a B.A. in translation: French and English into Polish. Starting her business career as an Inside Sales, she quickly rose to lead the sales team, generating $316K in new business every six months. Passionate about process improvement, engaged in Lean Six Sigma methodologies she played a key role in ISO 9001 implementation, earning Green Belt Certification.

Dorota joined CDE at the end of 2019 and progressed through the ranks of Project Manager, Program Manager, and Director of Project Management Office, while pursuing her education and earning her PMP Certification in 2020. Now as Vice President of Project Management and Business Integration, she is focused on driving key initiatives, continuous improvement of the project governance framework, and successful delivery of complex projects through innovation, strong teams, and commitment to excellence.

Dorota loves to cook. She enjoys modifying recipes and experimenting with new foods. When not cooking, you can find Dorota reading as much as possible. She also loves learning languages and listening to podcasts in French and Spanish.