Staff

Tracey D. Brown is Chief Executive Officer of the American Diabetes Association (ADA), the nation’s largest voluntary health organization and a global authority on diabetes.

Tracey joined the ADA in June 2018 after her tenure as senior vice president of operations and chief experience officer at Sam's Club, a division of Walmart, Inc., where she was responsible for creating meaningful member experiences, directing member strategy, marketing and branding, go-to-market execution, data and analytics and membership operations. 

Tracey brings more than 25 years of experience in driving global business growth, leveraging data to connect consumers with brands and creating omni-channel experiences to escalate customer loyalty. Prior to joining Sam’s Club, Tracey was chief executive officer and managing director of RAPP Dallas, a data-driven integrated marketing agency. Before RAPP, she served as chief operating officer for direct marketing agency Direct Impact, where she coordinated strategic, tactical and overall company operations.

Previously, Tracey was director of worldwide consumer marketing for Advanced Micro Devices, where she drove global marketing and demand generation activity around the world, including China, India, Russia, France, Spain, Italy and Japan. Early in her career, she served in leadership positions at American Express, Proctor & Gamble and Exxon Mobil.

Tracey earned a master of business administration degree from Columbia Business School in New York and a bachelor of chemical engineering degree from the University of Delaware. 

Tracey, who lives with type 2 diabetes, recently served as a volunteer and fundraiser for the ADA in her local community. She joined the ADA’s National Board of Directors in January 2018, before transitioning to her new role as CEO. She and her family resides in the Washington, D.C. metropolitan area. 

John J. Agos is Chief Strategic Development Officer for the American Diabetes Association (ADA), the global authority on diabetes. Since 1940, the ADA has been committed to its mission—to prevent and cure diabetes and to improve the lives of all people affected by diabetes. Mr. Agos leads the ADA’s Corporate Alliances, Grants, Major Donors, Foundations and Transformational Giving teams, forging innovative partnerships that allow the ADA to achieve its mission and further solidify its leadership role in the diabetes community.

The personal impact of diabetes in his own family led him to this role and fuels his desire to serve as a steward for the vital relationships that support the ADA’s ability to touch the lives of those living with diabetes. 

An ardent supporter of the ADA throughout his career, Mr. Agos previously spent 15 years with Sanofi, serving in several senior-level positions with an emphasis on patient health, advocacy partnerships, U.S. policy, business strategy and U.S. managed markets. His roles with Sanofi included Senior Director for Partners in Patient Health and Senior Director for U.S. Policy and Strategic Advocacy, building multi-stakeholder collaborations between physicians and care providers, patients and families, pharmacists, and health advocates to interconnect capabilities critical to improving patient health. Prior to Sanofi, Mr. Agos led strategy development for product launches and consumer engagement as Senior Vice President and Managing Partner at QAS Consultant Group between 2002 and 2003. He also held several executive level roles at the Pharmacia Corporation, The Upjohn Company and Pfizer.

Mr. Agos earned his bachelor of science in biology from Rider University and The Upjohn Company Executive Masters from Thunderbird University. He is a Member of the Grandon Society with the Thomas Jefferson University College of Population Health. He is also a member of the Board Leadership Council of the New Jersey Health Care Quality Institute and The Compassionate Care Foundation of New Jersey.

Charlotte is Chief Financial Officer for the American Diabetes Association. Since 1940, the ADA has been committed to its mission to prevent and cure diabetes and to improve the lives of all people affected by diabetes. 

Charlotte is responsible for all financial processes including cash receipt and payable processing, payroll, investment and financing, financial reporting and analysis, tax and compliance, business planning, budgeting and forecasting, key performance and return on investment measures and internal control monitoring. Additionally, Charlotte manages Information Technology & Services, Administration and Legal Affairs for the ADA.

Charlotte first joined the ADA in 1990 and is a seasoned financial professional with decades of experience in both not-for-profit and public accounting. She has lead several financial teams through business process redesigns, financial system implementations, business planning and budgeting and designing financial measurements.

Prior to joining the American Diabetes Association, Charlotte was a staff accountant at Ronald K. King, CPA, where she was responsible for compilation and tax preparation for several individuals, partnerships and corporations.  Additionally, she was part of the audit assurance team. 

Charlotte holds a degree in Accounting from the University of Wyoming in Laramie, Wyoming.  She is also a Certified Public Accountant.

Tony Chiles is Chief Information Officer for the American Diabetes Association (ADA). Since 1940, the ADA has been committed to its mission—to prevent and cure diabetes and to improve the lives of all people affected by diabetes. With a strong track record for establishing and cultivating partnerships with key stakeholders, and focusing on data-driven decisions that impact the business, Mr. Chiles plays a critical role in leading the ADA through its digital transformation.

Mr. Chiles joined the ADA from the U.S. Patent and Trademark Office in Washington, D.C., where he provided leadership spanning web application and system development, Big Data, cybersecurity, network, enterprise services, call center, intellectual property dissemination, and data center services. 

Prior to the U.S. Patent and Trademark Office, Mr. Chiles spent 14 years at AOL, serving in a variety of executive leadership roles with responsibilities for teams across the U.S., India, Europe, and Israel. He led the development of AOL’s suite of web properties, Big Data platforms, enterprise analytics solutions, data center automation, and consumer products that served tens of millions of customers worldwide.

Prior to AOL, Mr. Chiles built consumer products for 3Com/U.S. Robotics’ Research & Development arm, and developed custom software solutions for the Department of Defense and the Internal Revenue Service.

Mr. Chiles earned a bachelor of science degree in computer science from the University of Maryland in College Park. Originally from Boston, Massachusetts, he lives in Virginia with his wife and three children.

Vignesh Clingam is the Chief Marketing & Digital Officer for the American Diabetes Association. He is focused on driving the brand and consumer engagement for ADA’s mission to bend the curve on diabetes and help people living with diabetes thrive. Vignesh brings a unique skillset of helping organizations grow their business by connecting with their audiences. 

Vignesh is a talented marketing executive with more than 15 years of experience whose skills span brand and experience marketing, customer relationship marketing, digital, and robust analytics and measurement.  He is a data-driven leader who has designed strategies that have delivered brand growth, customer engagement and member growth in corporate and nonprofit organizations. 

Vignesh comes to the ADA from The Omnicom Group, where he served as Chief Marketing Officer at Targetbase, part of the Omnicom Group of companies. Prior this role, Vignesh spent seven years with RAPP, developing marketing strategies and business transformation roadmaps to drive sustainable growth.  Some of the brands and clients Vignesh has worked with are: AARP, Folds of Honor, US Army, Google, GlaxoSmithKline, Gilead, AHA, Best Buy, ExxonMobil, and McDonald’s.

Vignesh is a computer engineer who turned into a passionate marketer. He holds a bachelor’s degree in information technology, a master’s degree in management science, and is a doctoral candidate in marketing at the University of Texas at Dallas. When he’s not working, he enjoys the outdoors, comedy and music - he has visited 17 US national parks, with a goal to visit all 50 sometime.

Eloise Scavella is Chief Operating and Strategy Officer of the American (ADA), the nation's largest voluntary health organization and a global authority on diabetes. Since 1940, the ADA has been committed to its mission to prevent and cure diabetes and to improve the lives of all people affected by diabetes.

Eloise is responsible for managing the operations of the ADA, including Information, Technology and Systems, Human Resources and Legal Affairs, to drive its sustainable growth. She is also responsible for leading and overseeing the development, execution and monitoring of the ADA’s strategic plan internally and externally. 

Prior to joining the ADA, Eloise was the Vice President of Global Learning and Development at Walmart. She was tasked with finding, developing and moving critical talent in the organization, empowering talent to individually author their careers, driving experiential learning to prepare leaders for future business models and leveraging data-driven insights to identify, select and position leaders in the business. 

Prior to Walmart, Eloise worked at Caesars Entertainment in Las Vegas for 11 years in various capacities including Associate General Manager, where she was responsible for working with property leadership on the day-to-day operations of the hotel and casino. She also served as Corporate Vice President of Employment and Training overseeing Talent Acquisition, Training, Human Resources Information Systems, and provided strategy and counsel for HR leaders, property leaders and human resource practitioners. Her team worked to introduce industry changing initiatives including a robust veteran hiring initiative called Caesars Enlisting Heroes, for which Caesars Entertainment was awarded the Green Zone Employer award.

Before earning her Master of Art in Training and Organizational Development at the University of Wisconsin-Stout, Eloise worked in The Bahamas at the Atlantis Resort and Casino overseeing Talent Acquisition and as an English Language and Literature educator for The Ministry of Education. 

Tony Webster is Chief Human Resources Officer for the American Diabetes Association (ADA), the global authority on diabetes. Since 1940, the ADA has been committed to its mission—to prevent and cure diabetes and to improve the lives of all people affected by diabetes. As a member of the executive team, Mr. Webster leads the ADA’s human resources strategy, talent acquisition, and HR operations. He drives strategic initiatives across the organization focused on talent acquisition and retention, employee engagement, organizational design, workplace culture and professional training and development.  

A seasoned human resources professional with more than 25 years in the industry, Mr. Webster served as Vice President of Human Resources for International Justice Mission (IJM), a faith-based international human rights organization headquartered in Washington, D.C. During his seven-year tenure at IJM, the firm grew at nearly 20 percent annually. He played a key role in reducing turnover by 60 percent worldwide, establishing the organization’s first leadership development process, and improving the compensation and benefit levels for overseas staff.

Mr. Webster has also led global human resources initiatives while serving as Senior Vice President of Human Resources at OpenTV, a global software company, and as Vice President of Human Resources at Centillium Communications, a semiconductor company. Prior to Centillium, he spent his career leading, developing and restructuring human resources divisions for industry leaders AT&T, Sony and Samsung.

Mr. Webster is a graduate of Westmont College in Santa Barbara, California. He is a member of the Society for Human Resources Management and the Human Resources Leadership Forum. 

Linda Cann is Senior Vice President, Professional Services at the American Diabetes Association (ADA), the nation’s largest voluntary health organization focused on preventing and curing diabetes and improving the lives of all people affected by diabetes. Her areas of responsibility include professional education, professional membership, quality improvement services, diabetes prevention, ADA’s Education Recognition Program, and the annual Scientific Sessions.

During her tenure at the ADA, Ms. Cann has overseen the development of professional education programs, both domestic and international, that focus on improving health care practice and patient outcomes. Under her direction, the ADA's annual Scientific Sessions has increased significantly in prestige, and is now considered the leading international scientific and medical conference focused on diabetes. She provides strategic direction and oversight to two new ADA initiatives - health care systems quality improvement and the ADA's implementation of the CDC’s Diabetes Prevention Program. 

Ms. Cann also serves as the liaison to international diabetes organizations, working in collaboration to support the improvement of diabetes care worldwide and to facilitate the ADA’s international outreach.  

She has an undergraduate degree from the College of William and Mary and a Master’s Degree of Science in Adult and Continuing Education from VPI & SU (Virginia Tech). 

Dr. LaShawn McIver is Senior Vice President, Government Affairs & Advocacy, of the American Diabetes Association (ADA), the global authority on diabetes. 

Dr. McIver provides strategic direction and oversight of the ADA's advocacy activities, which focus on increasing federal and state funding for diabetes research and programs; preventing diabetes; improving the availability of accessible, adequate, and affordable health care; and eliminating discrimination against people with diabetes at school, work, and elsewhere in their lives. 

Dr. McIver joined the ADA in 2011 and served as the Vice President of Public Policy & Strategic Alliances, where she led the development and execution of the ADA's public policy agenda on initiatives related to increasing access to affordable healthcare, health equity, prevention, diagnosis and management of diabetes. In her role, she also recommended the ADA's positions on federal and state legislative and regulatory activities.

Prior to her time at the ADA, Dr. McIver earned a Medical Degree in International Health & Medicine through the Medical School for International Health in Collaboration with Columbia University’s Medical Center and a Master’s Degree of Public Health from the Johns Hopkins Bloomberg School of Public Health. From 2009 to 2011 she served as the inaugural HIV/AIDS fellow for the Congressional Black Caucus’ Center for Policy Analysis and Research.  Over the course of her career she has led numerous public health initiatives at the local, state and national level including efforts impacting diabetes, HIV/AIDS and adolescent health.

As a physician, public health professional and government affairs expert with more than 14 years of experience, Dr. McIver brings a collaborative approach to working nationally and in the global ecosystem, a focus on systemically addressing diabetes disparities and an innovative approach to public policy initiatives to prevent and cure diabetes and make life better for all people affected by diabetes. 

Sean C.E. McDonough is Vice President and General Counsel of the American Diabetes Association (ADA), the nation's largest voluntary health organization and a global authority on diabetes. Since 1940, the ADA has been committed to its mission to prevent and cure diabetes and to improve the lives of all people affected by diabetes.
Mr. McDonough leads the ADA’s Legal Affairs Division overseeing the ADA’s contracts, transactions, intellectual property portfolio, risk management, compliance and litigation, all with a goal of helping the ADA to achieve its mission while employing best practices and being a great business steward to all who support the ADA and the diabetes community. Mr. McDonough also provides legal, compliance and parliamentarian guidance to the ADA’s Board of Directors, Bylaws Committees, Task Forces and ADA’s Research Foundation.
Mr. McDonough joined the ADA in 2016 after 25 years in private practice providing counsel to for profit and nonprofit businesses and governmental entities on governance, transactions, acquisitions, employment matters, regulatory compliance, intellectual property and complex commercial litigation. He is licensed in Virginia and the District of Columbia.  Mr. McDonough has successfully served as first chair lead in over 100 jury and bench trials in Federal and State courts in Virginia, Maryland, and the District of Columbia and briefed and argued dozens of appeals in the highest courts in those jurisdictions.
Prior to practicing law, Mr. McDonough worked for Price Waterhouse in its Audit division focusing on technology, manufacturing, nonprofit and financial institutions and serving on a fraud auditing team.
Mr. McDonough earned his Bachelor of Science degree in Commerce with a concentration in Accounting from the McIntire School of Commerce at the University of Virginia and his Juris Doctor from the Marshall-Wythe School of Law at the College of William and Mary. He and his family reside in the Washington, D.C. metropolitan area.