Management Team

The Management Team at Sellers Dorsey navigates the firm’s path to ongoing success and is built to empower staff to focus on helping clients realize important opportunities. Hand selected by Founder and CEO Marty Sellers, the Management Team at Sellers Dorsey includes senior managers from the firm’s practices in diverse areas of Medicaid financing, delivery, and policy, as well as key corporate functions. They are stewards of the firm values and culture, maintaining a creative, fun, results-oriented workplace and supporting new leaders emerging in various domains throughout the firm.

Martin D. Sellers
Co-Founder and CEO
Donna Dorris
Chief Financial Officer
Christopher Labonte
Vice President of Business Development
Brian McGuckin
Vice President for Corporate Strategy
Nancy Enright
Director of Client Servicing
Mark Smith
Managing Director
Gary Jessee
Managing Director
Michele McGinn
Managing Director

Marty is the co-founder and CEO of Sellers Dorsey. With 30+ years’ experience in the public and private sectors, his novel healthcare approaches have impacted nationwide reforms at both state and federal levels, including the development of the groundbreaking universal healthcare program in Massachusetts. Before founding Sellers Dorsey, Marty also helped forge one of the largest state-based government relations firms in the country.

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As co-owner of Sellers Dorsey, Brian Dorsey works with the CEO to develop organizational strategy and direction. He provides a history of knowledge of the firm and its vision since its inception in 2000. He offers council on driving the corporate mission and works with the COO to ensure that innovative management concepts are used to improve operations.

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Donna Dorris joined Sellers Dorsey in 2009 as Chief Financial Officer. Donna is responsible for financial reporting, budgets and forecasts, tax planning, benefits administration, corporate compliance, and contract administration. She manages our administrative team, our facilities, and our information technology systems.

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Christopher Labonte is responsible for the implementation of both internal and external firm-wide communications initiatives. He also works with states and stakeholders on Medicaid transformation and reform.

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Brian McGuckin, Vice President for Corporate Strategy, is responsible for the development and implementation of the firm’s corporate strategic plan, including aligning the plan with current market trends and federal/state policy changes.  Brian also directs a number of Medicaid financing engagements, using the significant experience he has gained working with states, counties,  hospitals, and nursing homes across the country over the almost 15 years Brian has been with the firm.

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Nancy ensures the delivery of contracts spanning fifteen states. Her Medicaid reimbursement experience has yielded clients at least $210 million in new federal Medicaid reimbursement in the last three years, and her expertise includes Medicaid financing, quantitative research, statistical analysis and UPL programs in managed care and fee-for-service.

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Mark is responsible for the development and implementation of Sellers Dorsey’s national Medicaid financing business expansion strategy. Working with a team of financing and reimbursement experts, Mark identifies innovative initiatives that bring in additional healthcare resources for Sellers Dorsey clients.

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Gary Jessee assists states, managed care organizations, service providers, and support vendors working within Medicaid. For 20+ years, he’s worked in health and human services at state and national levels, and his successful tenure in Texas state government comprises several leadership roles, including State Medicaid Director.

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At Sellers Dorsey Michele McGinn works to garner funding for vital providers of public health care. Having years of organizing experience, Michele works to strengthen reimbursement and improve access to healthcare services across the country for stakeholders, providers, and states.

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