Executive Team


Robert A. Bonsall, Jr. – CEO & President

Robert A. Bonsall, Jr., FLMI, ALHC

Mr. Bonsall co-founded DMS in July 1995. As President, Chief Executive Officer, and Chairman of the DMS Board of Directors, with overall responsibility for strategic planning and operations for the company, he has overseen the company’s substantial growth in employees, service offerings and revenue.

Mr. Bonsall was formerly Chief Claims Officer for the Travelers Insurance Company Financial Services Lines with overall responsibility for Disability Income and Long-Term Care claims. Prior to joining Travelers in 1993, he was Director of Disability Claims for the Massachusetts Mutual Life Insurance Company where he had been employed in IDI claims operations since 1983.

Mr. Bonsall earned business degrees from both the University of Massachusetts at Amherst (BBA) and American International College (MBA). He has been active in several industry organizations and has presented at numerous conferences and client seminars.


Andrew J. Cohen – Secretary & General Counsel

Andrew J. Cohen, Esq.

Mr. Cohen joined DMS in July 1997 to create the company’s Law Department. As Secretary and General Counsel, he manages DMS’ legal, compliance and claim audit functions and many of DMS’ clients’ litigation and compliance responsibilities. He oversees many of DMS’ external consulting initiatives in the US and abroad. Mr. Cohen has overseen the Law Department’s growth to include five attorneys, a compliance paralegal, and claim auditors and legal assistants. Mr. Cohen is also a member of DMS’ Board of Directors.

Mr. Cohen graduated with honors from Tufts University with a BA in Economics and from the Georgetown University Law Center. Prior to joining DMS, Mr. Cohen was a member of the litigation departments of Dorsey & Whitney in Minneapolis, MN and Shipman & Goodwin in Hartford, CT.

Mr. Cohen is a member of several industry organizations and has presented at numerous industry and client seminars. He has also served as Chairman of the Board of Directors of Southend Community Services (n/k/a Our Piece of the Pie); a United Way affiliated non-profit organization in Hartford, CT, and as a board member of the Bushnell Park Foundation.


Tiffany L. Greene – VP Human Resources

Tiffany L. Greene

Ms. Greene joined DMS in August 2007 and currently serves as Vice President of Human Resources. She oversees a team of human resources professionals and manages the overall provision of HR services. Prior to joining DMS, Tiffany was the Division HR Manager with Amphenol Corporation for the Connection Systems Division in Nashua, NH. Her HR oversight included 2,000 employees across international manufacturing sites in four countries (China, Mexico, Ireland, and the US). She also served as the division’s Continuous Learning Manager leading corporate training, employee development and new hire assimilation programs. Ms. Greene spent ten years with Teradyne, Inc. prior to the division’s acquisition by Amphenol Corporation.

Ms. Greene graduated with honors from University of Massachusetts with a Bachelor’s degree in Business Administration from the Isenberg School of Management. Tiffany currently serves on the Board of Directors of the Springfield Chamber of Commerce.


Kathleen A. Lyons – VP Information Technology

Kathleen A. Lyons

Ms. Lyons joined DMS in February 1999 to assume responsibility for the company’s Information Technology Department supporting a variety of complex business solutions. Under her leadership, the company has successfully completed several large-scale data conversions and development projects, including the implementation of the company’s proprietary policy administration system. In addition, she is responsible for the oversight and management of DMS’ Office Operations.

Prior to joining DMS, Ms. Lyons was Chief Information Officer for Massachusetts Casualty Insurance Company. She had previously held positions in information technology at Fidelity Investments and The Paul Revere Insurance Company.

Ms. Lyons graduated from the UMass Lowell with a BS in Management Information Systems. She has completed the FLMI curriculum and routinely attends advanced training sessions in the changing field of Information Technology.

VP Business Development & Client Services

Stephen A. Miller – Executive Vice President and Chief Operating Officer

Stephen A. Miller

Mr. Miller joined DMS in 2002 as Vice President of Business Development and has since assumed the role of Executive Vice President and Chief Operating Officer for the company. In this role, he has responsibility for top and bottom line results for the company’s strategic growth initiatives, as well as the company’s New Business, Underwriting and Policyholder Services organization. He was formerly Vice President in charge of Life Products & Services for Travelers Life & Annuity, a member of Citigroup. As head of the life insurance business, Mr. Miller had both top and bottom line responsibility, as well as operational management. Under Mr. Miller’s leadership, Travelers’ Life Insurance business grew 50% per year, making it one of the fastest growing Life companies in the insurance industry over a five-year period. Prior to running Travelers’ Life business, Mr. Miller headed up the company’s individual Disability Income line of business and was responsible for product development, marketing, field support and the overall profitability of the line.

Mr. Miller graduated Summa Cum Laude and Phi Beta Kappa from Trinity College in 1984 with a BS in Engineering. He earned his MBA from the University of New Haven in 1988.


Timothy J. O’Connor – VP Claim Operations

Timothy J. O’Connor

Mr. O’Connor joined DMS in 1995 and currently serves as the Vice President of Claims with responsibility for the day-to-day management and oversight of DMS’ Claim Operations.  Mr. O’Connor also oversees DMS’ Medical Unit, Vocational Rehabilitation Services Unit, Appeals Unit and Field Investigative Services. Mr. O’Connor started his career in the disability insurance industry in 1991 managing disability claims for Monarch Life Insurance Company.  His insurance experience includes similar roles in the Claim Operations of Massachusetts Mutual Life Insurance Company and Travelers Life & Annuity. 

Mr. O’Connor has presented on behalf of several industry organizations including the New England Claim Association, LIMRA International and the Massachusetts Association of Contributory Retirement Systems. In addition to his extensive consulting experience, Mr. O’Connor has been an active instructor for various DMS client companies, providing specialized training in Disability Claims Management. He has consulted extensively with numerous insurance and reinsurance clients.

Mr. O’Connor holds a Bachelor’s Degree in Finance from Colorado University, a Master’s Degree in Business Administration from American International College, and is licensed in the State of New York as an Independent Insurance Adjuster.

Richard A. Robinson, CMA, FLMI – Chief Financial Officer and Treasurer

Richard Robinson, CMA, FLMI

Mr. Robinson joined DMS in January 2018 as Chief Financial Officer and Treasurer, responsible for all finance activities of both DMS’ Corporate Finance and Client Insurance Accounting areas. Richard brings to DMS a 30-year career of insurance industry knowledge having held various financial leadership positions with Unum, Liberty Mutual, MetLife, MassMutual, and most recently with TIAA as Chief Financial Officer of TIAA Life Insurance and as Vice President of Finance for the Retirement Services division. His extensive insurance finance experience has included corporate and business unit accounting, reinsurance, rating agencies, operational and finance system implementations, budget management, and strategic business planning.

Mr. Robinson graduated with honors from Bentley University with a Bachelor’s degree in Accountancy and from Boston University with a Masters degree in Management Information Systems. He is a Certified Managerial Accountant and a Fellow, Life Management Institute.

Paul Ziobrowski - VP & Chief Actuary

Paul Ziobrowski – VP & Chief Actuary

Paul Ziobrowski, FSA, MAAA

Mr. Ziobrowski joined DMS as Chief Actuarial Officer in March 1998 and he was promoted to Vice President and Chief Actuary in October 2000. He is responsible for all day-to-day activities of DMS’ Actuarial Department including valuation, financial reporting, experience analysis, and reserve adequacy testing on behalf of DMS’ clients.

Prior to joining DMS, Mr. Ziobrowski was employed by the MONY Life Insurance Company from 1990 to 1998, most recently in the position of Assistant Vice President and Health Actuary and he was responsible for oversight of all actuarial functions for MONY’s individual disability income business including valuation, financial reporting, product development, reinsurance, experience studies, and strategic planning for the line. He previously held positions at New England Financial and Farm Family Life Insurance Company and he became a Member of the American Academy of Actuaries in 1988 and a Fellow of the Society of Actuaries in 1991.

Mr. Ziobrowski earned a Bachelor of Science degree from the State University of New York at Albany, majoring in mathematics. He is a member of the Society of Actuaries Individual Disability Experience Committee core group and is a past member of the Society of Actuaries Education and Examination Committee.