President & CEO
President and CEO of LLS, John Walter, with over 30 years of work experience in for profit and not for profit organizations, is tasked with leading the world's largest voluntary health agency dedicated to blood cancer. Walter is stewarding LLS in its efforts to accomplish goals set forth in its strategic plan, including: developing a culture of superior volunteers and staff; diversifying LLS's revenue sources; advancing the development of new blood cancer therapies; ensuring that all blood cancer patients have access to information and services that help them throughout their cancer journey.
Louis J. DeGennaro, Ph.D.
Chief Mission Officer
As Chief Mission Officer, Dr. DeGennaro's responsibilities include oversight of all LLS mission functions: Public Policy, Patient Services and Research with the goal of effectively deploying resources in pursuit of the LLS mission.
George Omiros, CFRE, CAE
Executive Vice President, Chief Campaign & Field Development Officer
As the head of Campaign & Field Development, George provides strategic direction and overall management of LLS's chapters and their campaign activities, including LLS core campaigns: Team in Training, Light the Night Walk, Man Woman of the Year and School & Youth programs in the United States and Canada.
Executive Vice President and Chief Marketing Officer
Lisa Stockmon joined the Leukemia & Lymphoma Society in 2012 as Senior Vice President, Marketing & Communications. She is a proven marketing executive with over 20 years in marketing, branding and business development.
Chief Information Officer
Jeff oversees the overall technology strategy, delivery and services for the organization, which include technical infrastructure, Web and applications development, database management, telecommunications and facilities management and systems support and training.
Chief Financial Officer
Jimmy is responsible for managing a very capable staff in carrying out the following functions at LLS: accounting, payroll, accounts payable, budgeting, forecasting, investment, banking, legal, insurance, internal audit, travel, and facility management. He also works closely with LLS's dedicated volunteer leadership to manage the activities of the Finance, Audit and Investment Committees.
Chief Development Officer
As Chief Development Officer, Mark Roithmayr oversees The Leukemia & Lymphoma Society's donor development initiatives. Roithmayr comes to LLS with a successful track record in the health-care non-profit sector.
Mark Velleca, M.D., Ph.D.
Chief Policy and Advocacy Officer
Dr. Velleca heads LLS's Office of Public Policy in Washington DC. In this position, he oversees the strategy and implementation of LLS's legislative and regulatory policy initiatives. Dr. Velleca is also responsible for patient access and advocacy, as well as patient and professional programs at LLS.
Senior Vice President, Human Resources
As senior vice president of human resources, Phil Kozlowski oversees all aspects of staffing, talent development, organization design and effectiveness, compensation, employee benefits and performance management for the LLS workforce.