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 providing him with 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 over 20 years as a Senior Project Manager for several Top 5 US construction companies.  Working on projects ranging from $1MM to $300MM 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, back packing, camping and biking with his family.


Joseph Barna

EVP, Government Payments

Joseph currently serves as Executive Vice President of Government Payments.  He is a payments executive with over 24 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 being CTO, Joseph served as the VP of Sales at CDE for over four years.

Joseph resides in Kennesaw, GA and has 2 daughters.  In his spare time, he enjoys playing soccer.


Randy Siebold

Chief Commercial Officer

Randy Siebold serves as CDE’s Chief Commercial Officer, focusing on growing the companies point of sale solutions business. Over the past twenty plus years Randy has held numerous sales and business development leadership  posts in the payments industry, most recently serving 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 daughters. He also enjoys tennis, golf and anything outdoors in his free time.


Dennis McMaster

SVP, Operational Excellence

Dennis McMaster serves as CDE’s Senior Vice President of Operational Excellence, focusing on business intelligence and performance improvement throughout the company.  He began his career in 1981 as a systems engineer for Electronic Data Systems, and has since been specializing in leading technology-enabled service companies.  Most recently he served more than 7 years as president of Donnelly Communications in Atlanta.  Prior to that, Dennis was vice president of operations for NWP Services Corporation (now part of RealPage) out of Southern California.

Dennis resides in Marietta with his wife, Liz, of 40 years.  They have three grown children and four grandchildren.  In addition to spending time with his family, Dennis enjoys reading, gardening, camping, hiking and fishing in his spare 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 twenty plus years Mark has established a consistent record of delivering value add 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.


Cindy Stewart

Senior Director, Call Center

Cindy is CDE’s Call Center Director, managing the call centers for CDE.  Cindy also works to increase revenue and customer base by coaching and mentoring sales representatives.  Cindy has proven success in directing sales and client relations for a number of companies including Automatic Data Processing and Gateway EDI/Trizetto Provider Solutions.  Cindy has over 20 years of experience in the payments processing industry which includes co-founding an Independent Sales Organization, Pinnaclepay Merchant Services.

In her spare time, Cindy enjoys hiking, gardening, working out and other outdoor activities.  Cindy has one son, Joshua, who is an attorney with Fulton County, Georgia.


Doreen Bryan

Controller, Human Resources Manager

Doreen serves as CDE’s Controller and oversees the company Human Resources Department. Doreen is a CPA with a BBA and an MBA from Niagara University.  She has been in accounting for 25 years.  Doreen spent most of her career as a controller for RR Donnelley, where she worked as a financial executive for multiple brands generating revenues over $60M+.  While at RR Donnelley, she implemented a number of changes that improved both the operations and cost management a great deal.

Doreen also held the role of Regional Finance Manager for Classic Party Rentals in the Southeast and Midwest, where she improved Accounts Receivable collections by over $1M.

Her hobbies include tennis, gardening and enjoying the beauty of the beach. Doreen spends the majority of her free time with her two wonderful daughters who are her joy and inspiration.


Adam Lemmerman

Inventory Manager

Currently serving as Inventory Manager, Adam originally joined the CDE team in 1998.  Working his way through various departments, Adam learned the daily routine of the company and was instrumental in suggesting and implementing several time and financial saving strategies for areas within production.

Leaving in 2005, Adam joined the U.S. Army where he served as a Combat Engineer for nearly 10 years.  After three tours of combat duty SSG Lemmerman was medically retired from the Military and returned to CDE.

His first appointment upon his return was Production Manager, where assisted in the implementation of Lean Manufacturing, completely revamping the production facility.

In his current role of Purchasing Manager, Adam now provides his expertise in acquiring equipment and supplies to meet the organization’s operational needs.

Most of his free time is spent with his wife Keri, rearing their three young daughters; Jenna, Grace and Scarlett.  Adam is a member of the Knights of Columbus through his church, is an avid golfer, and a Cleveland sports enthusiast.