ABACUS - Key Persons


Alex Suhrie

Job Titles:
  • Director of Operations Support Center

Brad Potterfield

Job Titles:
  • President, National Accounts

Chris Price

Job Titles:
  • Client Relationship Manager
Chris joined Abacus in 2014 and has since been involved in supporting staffing operations and client relations in multiple markets. He works closely with the operations team and clients at the local and national level to solve staffing challenges and execute effective solutions. Chris is an avid traveler both professionally and personally.

Dagoberto "Dago" Rivera

Job Titles:
  • in 2005 As an Director of Operations
  • Vice President, Janitorial
Dagoberto "Dago" Rivera joined Abacus in 2005 as an Director of Operations. He oversees the Building Services division at Abacus which includes commercial janitorial, maintenance and asset management services. He graduated from Instituto Migueleno de Comercio San Miguel in El Salvador.

David M. Hausner - CFO, Chief Legal Officer

Job Titles:
  • Chief Financial Officer
  • General Counsel
  • Member of the Board of Directors
David M. Hausner, CPA, J.D., LL.M. joined the Abacus team in 2009, as the Chief Financial Officer and General Counsel. Mr. Hausner is responsible for all accounting and financial reporting functions, as well as, all of Abacus' legal matters. Prior to joining Abacus, Mr. Hausner was a partner with the law firm of Shapiro Sher Guinot & Sandler, specializing in tax law, corporate law, and sports and entertainment law. An experienced certified public accountant, Mr. Hausner previously worked in public accounting and as a Tax Manager and Controller. Mr. Hausner is a graduate of Frostburg State University with Bachelor of Science in Accounting and a minor in Business Administration. He obtained a Juris Doctorate, magna cum laude, (2001), and a Master of Laws in Taxation (2002), from the University Of Baltimore School of Law. After law school, Mr. Hausner had the privilege of serving as a law clerk to the Honorable Stanley J. Goldberg, Special Trial Judge of United States Tax Court. He is a member of the bar in Maryland and the District of Columbia. Mr. Hausner is a member of the Board of Directors. In his off hours he enjoys sports, boating, and the beach; however, his greatest joy is spending time with his wife and two beautiful children.

Devin McGee - EVP

Job Titles:
  • Executive Vice President
  • Member of the Leadership Team
Devin, a McDonogh School alum, graduated from Auburn University in 1990 with a Bachelor of Science in Business Administration. Upon graduation, Devin joined the family business full-time as Production Manager. In 1998, Devin was named Vice President and assumed responsibilities for staffing and janitorial services divisions and oversaw marketing and sales. In 2005, Devin was named Executive Vice President. Currently, he presides over the entire Abacus' national footprint and is involved with all areas of the family business. Devin is a member of the Board of Directors. Additionally, is a member of ISSA and the Lambda Chi Alpha Fraternity and is actively involved in the community. Devin is married and has 2 daughters. On his off time, he enjoys hunting, fishing and traveling with his family.

Diana Blevins

Job Titles:
  • Regional Operations Director
Diana Blevins brings over 30 years of experience in sales and operations with a record of achievements in driving results. She has a bachelor's degree in human resources and management from Ohio University. Additionally, she is a Certified Business Advisor, Bauer College of Business, University of Houston. Diana joined the Abacus Team in August of 2021 as a Regional Director. She is responsible for three markets to include Ohio, Indiana, and Kentucky. Diana and her team are driven to provide the best service to our customers. Outside of work Diana enjoys walking and spending time with her two schnauzers, Emma, and Agnes. She also likes to travel to see her three grandkids whenever possible.

Drew D'Avanzo

Job Titles:
  • Senior Business Development Manager
  • in 1991 As a Senior Business Development Manager
Drew D'Avanzo joined Abacus in 1991 as a Senior Business Development Manager. He is responsible for full cycle sales and delivery including marketing, client retention and accounts receivable. Drew holds Bachelors of Arts in Pre Law and Psychology from Auburn University and is an active member of the Maryland Staffing Association and the American Staffing Association.

Haley Bozel

Job Titles:
  • Business Process Manager

Heidi Suri

Job Titles:
  • Regional Director
Heidi Suri is a dynamic professional who brings a wealth of experience and expertise to her role as the Regional Director of Abacus Solutions Group in the Carolinas. Joining the Abacus team in 2021 as a Program Manager for the Charlotte, NC market, Heidi quickly made her mark with her strategic vision and dedication to excellence. In her capacity as Program Manager, Heidi played a pivotal role in the success of Abacus Solutions Group, overseeing operations, spearheading recruitment efforts, and fostering strong client relationships. Her commitment to delivering top-notch solutions and her ability to navigate the complexities of the industry led to her promotion to Regional Director in 2022. As Regional Director, Heidi now leads and guides all aspects of Abacus Solutions Group's operations in the Carolinas. Her visionary leadership has been instrumental in driving growth and ensuring the highest standards of service delivery. Heidi and her team are dedicated to supporting clients with a comprehensive range of staffing solutions, including long-term direct hires and contract roles. Heidi Suri's professional journey is characterized by a passion for excellence, a strategic mindset, and a commitment to building lasting relationships. With a proven track record of success, she continues to make significant contributions to the success and reputation of Abacus Solutions Group. Heidi Suri is not just a leader within the Abacus team; she is a driving force behind the continued success and growth of Abacus Solutions Group in the Carolinas.

Jaime Schultz

Job Titles:
  • Vice President, Workers' Compensation

Jenny McGee

Job Titles:
  • Workers' Compensation Executive
Jenny McGee is responsible for full cycle workers compensation management at Abacus. This includes reporting and communicating with employees, adjusters, work-site liaisons and supervisors to ensure compliance. She also manages medical documentation, responds to employee concerns and monitors injured employee medical treatment progression. Additionally, she requests claims to be investigated as required and trains on-site managers to ensure safety in the workplace. Outside of Abacus, Jenny volunteers at the Seed School of Maryland, organizes fundraising efforts for Boys Hope Girls Hope of Baltimore and is a member of the planning committee for Baltimore Heart Ball Gala for The American Heart Association. She is a graduate of Villa Julie College and in her free time enjoys spending time with her family, traveling, interior design and healthy living

Kate Richardson

Job Titles:
  • Government
  • Services Coordinator
In August 2017, Kate joined Abacus as a student intern. She graduated in May 2022 with a Bachelor of Science in Business Administration degree from Elon University and joined full time as a Government Services Coordinator. Since she has been at Abacus, she has been involved in many areas of the business from marketing and sales to industry research. She is part of the Abacus Operations Support Center team which is committed to ensuring the success of the company through operational assistance, client satisfaction, corporate training, and accountability. Outside of the office, Kate enjoys traveling, shopping and spending time with her friends and family.

Kevin Nickel

Job Titles:
  • Account Executive
After a successful summer internship, Kevin Nickel joined the Abacus team in May 2018, after graduating from Salisbury University. Kevin continues to work a hybrid role as an operations manager, focused on the growth of the Aberdeen office and developing new business opportunities. As a third-generation team member, Kevin is dedicated to the future growth of Abacus and looks forward to continuing his education and experience in the Staffing field. Kevin enjoys relaxing on his pier with his pup Bentley and fishing on Back River.

Lee Nickel

Job Titles:
  • Vice President, Business Development & Client Relations
Lee joined Abacus in 1987 after graduating from the University of Maryland, Smith School of Business. He is responsible for full cycle sales including marketing, client retention and accounts receivable. Outside of Abacus, Lee is a Dale Carnegie graduate, member of BOMA and the Kennedy Krieger Institute and enjoys biking, horseshoes and billiards.

Mable Lemna

Job Titles:
  • Regional Operations Manager
Mable joined the Abacus team in March 2011. She started her career with Abacus as a District Manager where she expanded the Atlanta market. With her successes, she was then promoted to Regional Manager where she traveled throughout the Southeast region growing and developing client relationships. Due to the relationships she has cultivated with her clients and team she was awarded branch of the quarter as well as employee of the quarter in 2022. Mable continues to prove her commitment and dedication to Abacus by always "doing the right thing". Currently Mable is the Atlanta Regional operations manager where she and her team continually focus on remaining in the top 5 performing branches for Abacus. During Mable's free time she enjoys watching The Tennessee Volunteers, swimming, and spending time with her family including her dog Max.

Mariana Newcomb

Job Titles:
  • Accounting Clerk
  • Director of Accounting Services
Mariana Newcomb joined the Abacus team in 2010 as an accounting clerk. She was promoted to department leader in 2013. In 2017 she was promoted to accounting department manager overseeing all aspects of payroll processing, customer invoicing, accounts payable and accounts receivable matters. In her spare time, she participates in competitive softball and umpire's youth fastpitch softball. She also helps to raise money for a non-profit to help people suffering from homelessness, mental illness and addiction.

Mark Jackson

Job Titles:
  • Regional Director
Mark brings 26 years of staffing experience to the Abacus leadership team. He joined the team in July of 2023 as the Regional Director overseeing the Phoenix AZ, Dallas TX and Reno NV markets. Mark is responsible for the growth and team development in each market as well as growing new markets for Abacus. Outside of work Mark enjoys golfing, traveling and spending time with his wife and dog Tucker.

Michael Brady

Mr. Brady's journey with Abacus began in 1996, following his graduation from Brigham Young University with a Bachelor of Arts degree in English and Journalism. Throughout his tenure, he has navigated through various roles, showcasing his versatility and commitment to the company's success. A holder of the Senior Professional in Human Resources (SPHR) designation conferred by the Society for Human Resource Management, Michael Brady also earned the Certified Staffing Professional (CSP) designation from the American Staffing Association, showcasing his dedication to professional excellence.

Michele Massaro

Job Titles:
  • Member of the Leadership Team
  • Vice President of Strategic Relationships
Michele Massaro joined the Abacus team in 2008 as Vice President of Strategic Relationships. Over the span of 30 years, she has enjoyed significant success in the staffing and corporate services industries. In 2019 she was named Chief Strategy Officer. In this role, Michele held direct responsibility for revenue streams and accountability for driving increased sales by leveraging and aligning all revenue-generating departments: Marketing, Sales, and Customer Experience/Customer Success. Today Michele serves as Chief Operating Officer partnering with ownership and leaders across the company on key corporate initiatives as we continue to achieve unprecedented growth. She is integral in mentorship and the development of the next generation of Abacus leaders. A Certified Staffing Professional (CSP) recognized by the American Staffing Association (ASA), Michele is a graduate of Old Dominion University with a Bachelor of Science in Clinical Psychology. She is a proud mom to four sons; enjoys travel with her husband and family.

Rachele Pearce

Job Titles:
  • Director of Client Services

Richard McGee, Sr. - CEO, Chairman, President

Job Titles:
  • CEO
  • Chairman of the Board
  • Member of the Leadership Team
  • President

Trey Daniels

Job Titles:
  • Director of Client Relationships

William (Bill) Francis

Job Titles:
  • Vice President, Information Technology
  • in 1989 As Systems Administrator and Programmer
William (Bill) Francis joined Abacus in 1989 as systems administrator and programmer. He was promptly promoted to Sr. Programmer/Analyst, then later promoted to Director of IT, and most recently VP of IT. Bill has over 30 years experience in the IT field. He has lead Abacus through the migration of multiple system platforms and numerous iterations of operating systems over the years. He is an integral part of the IT Division, overseeing our technology needs as well as the development of our accounting system. In his personal time, Bill enjoys hiking, wildlife, fishing, the beach, traveling, spending time with friends, family and his beautiful daughter Amanda.