Clifford A. Hudis, MD, FACP, FASCO
Chief Executive Officer, ASCO & Chief Executive Officer (ex-officio), Conquer Cancer Foundation

Dr. Hudis is the Chief Executive Officer of the American Society of Clinical Oncology (ASCO). He also serves as the CEO of its Conquer Cancer Foundation and the Chairman of the Board of Governors of ASCO’s CancerLinQ. Dr. Hudis previously served in a variety of roles at ASCO, including as President during the Society’s 50th anniversary year (2013-14). Before transitioning full-time to ASCO, he was the Chief of the Breast Medicine Service at Memorial Sloan Kettering Cancer Center (MSKCC) in New York City, where he was also Professor of Medicine at the Weill Medical College of Cornell University. In this role, he developed more effective treatments for all stages of breast cancer, while also exploring novel prevention opportunities. As CEO of ASCO, Dr. Hudis’ focus is on education, research and promotion of the highest quality of care by the Society’s nearly 45,000 members. Key initiatives include the acceleration of CancerLinQ, ASCO’s focused effort to increase insights and learning from the rapidly accumulating electronic records of routine care provided by clinicians.

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Richard L. Schilsky, MD, FACP, FSCT, FASCO
Senior Vice President and Chief Medical Officer


Dr. Schilsky is the Senior Vice President and Chief Medical Officer (CMO) of ASCO. Formerly the Chief of Hematology/Oncology in the Department of Medicine and Deputy Director of the University of Chicago Comprehensive Cancer Center, he is a highly respected leader in the field of clinical oncology. He specializes in new drug development and treatment of gastrointestinal cancers. Dr. Schilsky is a Past President of ASCO, having served in the role during 2008-2009, and is also a Past Chair of one of the National Cancer Institute’s Cooperative Groups, Cancer and Leukemia Group B (CALGB).

Dr. Schilsky’s impressive experience and many accomplishments in both clinical medicine and clinical research reflect his deep passion for cancer medicine. He has spent the majority of his career at the University of Chicago, where he joined the faculty in 1984, subsequently rising to the rank of Professor of Medicine and serving in many roles, including Associate Dean for Clinical Research in the Biological Sciences Division and Director of the University of Chicago Cancer Research Center.

From 1995 to 2010, Dr. Schilsky served as Chair of the Cancer and Leukemia Group B (CALGB), a national cooperative clinical research group funded by the National Cancer Institute (NCI). He has extensive experience working with both the NCI and the Food and Drug Administration (FDA) having served as a member and chair of the NCI Board of Scientific Advisors, as a member of the NCI Clinical and Translational Research Committee, and as a member and chair of the Oncologic Drugs Advisory Committee of the FDA. Dr. Schilsky has served on the editorial boards of many cancer journals, including the Journal of Clinical Oncology. He presently serves on the editorial board of the New England Journal of Medicine.

Early in his career, he worked in the Clinical Pharmacology Branch of the Division of Cancer Treatment at the NCI and was an Assistant Professor in the Department of Internal Medicine, Division of Hematology and Oncology at the University of Missouri-Columbia School of Medicine. He was also the head of the hematology/medical oncology unit at the Harry S. Truman Veterans’ Administration Hospital in Columbia, Missouri.

Dina L. Michels, JD
Senior Vice President and Chief Legal & Personnel Officer

Ms. Michels joined ASCO’s  office of the Executive Vice President in 2006. In the last decade, she has served as ASCO’s corporate secretary and as general counsel to the Foundation. Her current role is Senior Vice President and Chief Legal & Personnel Officer. Ms. Michels has more than 20 years of experience as a health care and corporate attorney. Prior to joining ASCO, she was a partner with Ropes & Gray LLP, in its Corporate Department and Health Care Group. Ms. Michels anchored the firm’s mid-Atlantic health care practice and represented numerous academic medical institutions and hospitals. In 2004, she was honored by Nightingale’s Healthcare News as an “Outstanding Healthcare Transaction Lawyer.” She also has specialized expertise in Health Insurance Portability and Accountability Act (HIPAA) regulations, health care reimbursement, nonprofit corporate governance, compliance, and managed care. She earned a bachelor’s degree in history and literature from Harvard College, and a law degree with honors from Georgetown University Law Center, where she was an editor of the Georgetown Law Journal. Ms. Michels is a member of the bar in Massachusetts, Maryland, Virginia, and the District of Columbia. 

Nancy R. Daly, MS, MPH
Executive Vice President & Chief Philanthropic Officer (ex-officio), Conquer Cancer Foundation

Ms. Daly joined ASCO in 2004 as Director of Cancer Research and Policy, where her background in clinical research helped ASCO expand its focus on research issues and efforts. During the following years ASCO’s Grants Program grew, and she took on the role of Director of Grants for the ASCO Cancer Foundation. In 2009, Ms. Daly assumed the role of Executive Director for the Foundation, which was relaunched as the Conquer Cancer Foundation in 2011. The Conquer Cancer Foundation Grants Program is now one of the largest grants programs among professional societies, with more than $96 million in funding awarded since its inception in 1984. In 2016 she became the Executive Vice-President and Chief Philanthropic Officer for the Foundation (ex-officio).

Prior to joining ASCO, Ms. Daly managed Government Relations for the American Society for Therapeutic Radiology and Oncology (ASTRO). She holds a Bachelor of Science degree from Russell Sage College, and Master of Science and Master of Public Health degrees from Columbia University. She also holds a post-Masters Nurse Practitioner degree from the MGH Institute of Health Professionals.

Cory Wiegert
CEO of CancerLinQ, LLC, and Executive Vice President of ASCO

Cory Wiegert is the Chief Executive Officer of CancerLinQ, LLC, and Executive Vice President of ASCO. He joined ASCO in 2018, and brings to his role extensive expertise in building and launching innovative technology solutions for healthcare. Mr. Wiegert previously served as Vice President of Product Management for IBM Watson Health, leading the successful launch of major projects, including IBM’s first cloud-based offerings in healthcare.

He also managed the first effort to implement Watson technologies in an FDA-regulated quality management system. Prior to joining IBM, Mr. Wiegert was Vice President of Product Management at Sterling Commerce, where he led the end-to-end product strategy and lifecycle of their selling and fulfillment software suite. He also served at Siebel Systems, where he was responsible for the implementation and design of their sales force automation, call center, integration technology, and analytic solutions. Mr. Wiegert has also held positions with Centura Software Corporation and Safety-Kleen.

Christopher Merlan
Chief Digital Officer

Christopher Merlan is the Chief Digital Officer of ASCO. He is a digital operations and technology leader with 25 years of successful and diverse experience spanning change management, enterprise architecture, program delivery, strategic planning, and operational leadership. He holds bachelor’s degrees in Psychology and Anthropology from the University of Rhode Island (URI) and continued his studies at URI to pursue his master’s degree in Higher Education Administration.

Prior to joining ASCO, Mr. Merlan led delivery and operations for a digital transformation project at Publicis Groupe. He has also held leadership roles at Sapient and NormaTec. At MIT, he was the Publication Director for the OpenCourseWare initiative, and was the Technology and Practice Manager for Grants Management at Harvard University. 

Mr. Merlan is a leader in the technology field, having led high-performing teams at Sapient, MIT, and Harvard. He excels at enabling people and teams to reach their highest potential through open and honest communication and allowing people to take risks and grow. 

Stephen S. Grubbs, MD, FASCO
Vice President, Clinical Affairs

Dr. Grubbs joined ASCO in 2015 as the Vice President of the newly launched Clinical Affairs Department. Before joining ASCO, Dr. Grubbs worked as a community oncologist and managing partner at Medical Oncology Hematology Consultants, PA, in Newark, Delaware. Dr. Grubbs is a volunteer and the Principal Investigator of the Delaware Christiana Care National Cancer Institute (NCI) Community Oncology Research Program. He also serves on the advisory council of the Delaware Cancer Consortium, of which he has been a member since 2003.

Linda Jensen, MBA
Vice President & Chief Financial Officer, Finance & Administration

Ms. Jensen joined ASCO in 2016 with more than 30 years of financial management experience.  In her role, she is responsible for financial planning, operations and reporting, as well as treasury and insurance.  In addition, she oversees business development and facilities management, including ASCO’s state-of-the-art conference center.  She also serves as the Chief Financial Officer for CancerLinQ™ and the Conquer Cancer Foundation.  Her focus is on supporting ASCO’s programs and ensuring the organization’s resource allocation aligns with the mission and goals of the organization.  She previously served as the Chief Financial Officer of The Jackson Laboratory, an independent biomedical research institution for 10 years. In addition, she worked at Select Energy Services, an energy services provider for 18 years.

Kristin A. Ludwig, APR
Vice President, Marketing & Communications


Ms. Ludwig joined ASCO in late 1997, establishing a department that later became the Communications and Patient Information department. In December 2018, she assumed leadership of a newly merged department, Marketing & Communications. In this capacity, she provides organizational oversight for external communications, media relations/public affairs, social media, patient information, advocate relations, digital and content marketing, member and corporate communications. She and her team also provide support to the Conquer Cancer Foundation and CancerLinQ. Her contributions to public education include the creation and launch of Cancer.Net, an award-winning consumer cancer website, with information on more than 120 cancer types, medical illustrations, podcasts, Spanish translations, and a patient response center.

Ms. Ludwig is an accredited public relations counselor whose background encompasses all aspects of professional communications, with particular expertise in strategic planning, media relations, campaign development, reputation and crisis management. Her experience includes over 25 years of extensive work with non-profit organizations, Fortune 500 companies, and government agencies specializing in scientific, medical, environmental, and public health issues.

Prior to joining ASCO, Ms. Ludwig served as the Director of Marketing and Public Relations for the Society of Nuclear Medicine and as a Senior Account Executive for John Adams Associates, a Washington, DC public affairs firm. In addition, Ms. Ludwig has experience in broadcast advertising and television production, and has worked in the newsrooms of WMJR and WBAL radio stations.

Under her guidance, the department has won a host of awards for: excellence in association publications; videos, PR campaigns and social media; website content, design, and marketing. Ms. Ludwig earned a bachelor’s degree in Communications from Shippensburg University and is an accredited member of the Public Relations Society of America.

Jamie H. Von Roenn, MD, FASCO, BA
Vice President, Education, Science & Professional Development

Dr. Von Roenn, an ASCO member since 1986, joined the Society professionally in 2013 as the Vice President of Education, Science, and Professional Development (ESPD). In this role, she and her staff collaborate with ASCO members and volunteers to plan, implement, and evaluate all formal US-based education activities (including MOC and CME), provided by ASCO for oncology healthcare professionals. In addition, the ESPD department supports the training and professional development of oncologists throughout the trajectory of their careers. Dr. Von Roenn has served on the ASCO Board of Directors; the ASCO Palliative Care Task Force; the Scientific Program, Cancer Education, and Cancer Communications Committees, among others; the Cancer.Net Editorial Board; and the Leadership Development Working Group. She is also a Fellow of ASCO (FASCO), as well as a previous ASCO-ACS Special Award recipient.

Dr. Von Roenn is board certified in internal medicine, medical oncology, and palliative medicine. Her clinical and research interests focus on breast cancer and palliative care, particularly the impact of treatment on disease-related symptoms. She has previously served as Director of the Palliative Medicine Fellowship Training Program at Northwestern, spearheading efforts throughout Northwestern to incorporate palliative medicine into the medical school curriculum and internal medicine residency training. She also focuses on training medical oncologists to integrate palliative medicine principles and practices into oncology. She served as an editor of the Education in Palliative and End-of-Life Care in Oncology curriculum and as a leadership coach at the San Diego Palliative Care Institute, International Fellows Leadership Development Program. She has actively participated in efforts to develop palliative care services worldwide, serving on several working groups and as faculty for international-focused education courses.

Dr. Von Roenn has served on the editorial board of several oncology and palliative medicine journals, including the Journal of Clinical OncologyJournal of Cancer Pain & Symptom Palliation and the Journal of Cancer Survivorship. She previously served as Editor in Chief of the Journal of Supportive Oncology. She is a past board member of the American Academy of Hospice and Palliative Medicine and the American Board of Internal Medicine. She has served on numerous committees on breast cancer and palliative care.

Dr. Von Roenn received her bachelor’s degree from the University of Illinois and her medical degree from Rush Medical College. She trained in internal medicine at Presbyterian/St. Luke's Medical Center in Chicago, Illinois.

Paula B. King, SPHR, SHRM-SCP, HCS
Vice President, Human Resources

Ms. King joined ASCO in 2019, and brings to her role about 20 years of experience in corporate human resources. Previously, she served as Vice President of Human Resources for Universities Space Research Association (USRA), where she oversaw the design, development, and implementation of all human resources management functions. Ms. King also led the development of a strategic plan focused on talent management.

In addition, Ms. King was Senior Vice President at NeighborWorks® America, a congressionally chartered nonprofit organization that supports community development in the United States. Prior to joining NeighborWorks® in 2012, she served as Vice President for Operations and Chief Human Resources Officer at the U.S. Institute of Peace, an organization established through an Act of Congress in 1984 that is dedicated to preventing, mitigating, and resolving violent conflicts around the world.

Before her tenure at the Institute of Peace, Ms. King served as Director of Human Resources at the International Life Sciences Institute. During her career, she developed many new initiatives for organizations while fine-tuning existing programs and operations.

Ms. King holds an M.S.A. in Human Resources from Central Michigan University, and a B.S. in Business and Management: Personnel and Labor Relations from the University of Maryland. She also holds certifications as a senior professional in human resources (SPHR), a senior certified professional (SHRM-SCP), a human capital strategist (HCS), and is a certified mediator.

Bernie Khoo
Vice President, Information Technology

Mr. Khoo joined ASCO in 2002 and currently manages IT operations, meeting publishing, eLearning, websites, and the creative and production divisions. Under his leadership, the Integrated Media and Technology Department produces products and services across multiple media to support oncology professionals.

Prior to joining ASCO, Mr. Khoo served as a principal technical advisor for the Environmental Protection Agency, Senior Vice President for Product Management & Marketing and Chief Research Officer at a high-profile dot-com startup venture, and Chief Information Officer at the American Association of Homes and Services for the Aging.

Mr. Khoo received a bachelor’s degree in economics and music from Colby College, and a PhD in econometrics and quantitative economics from American University.

Doug H.M. Pyle, MBA
Vice President, International Affairs

Mr. Pyle joined ASCO in 2007. Mr. Pyle is responsible for directing the international programs of ASCO and advising the Society on the needs and interests of its international members and constituents. He has more than twenty-five years of experience in international affairs in the public, non-profit and corporate sectors. Prior to joining ASCO, Mr. Pyle was the Director of Business Solutions for the International Services department of the American Red Cross, where he led strategic process improvements to the organization's global humanitarian operations.

Earlier in his career, he was the Vice President and Chief Operating Officer for the Center for International Rehabilitation, the Manager for strategic planning/business development for the US subsidiary of Eisai (a Japanese pharmaceutical company), and administered technical assistance projects funded by the U.S. Agency for International Development. Mr. Pyle earned a bachelor's degree in history from Carleton College and a Master of Business Administration degree from Yale University.

David Sampson, MBA
Vice President, Journals & Publishing

Mr. Sampson is Vice President, Journals & Publishing. Prior to joining ASCO in 2013, he was an Executive Publisher in Elsevier’s health sciences journals division where he had P&L and strategic responsibility for a portfolio of more than 20 society-owned and proprietary journals. He also worked at Lippincott Williams & Wilkins in various leadership roles, including five years as Managing Director of its Asia office in Hong Kong. He was also an Executive Vice President at Conference Archives, now part of Coe-Truman Technologies.

Mr. Sampson is a graduate of Cornell University and earned a Master of Business Administration degree from the Kellogg Northwestern-Hong Kong University of Science & Technology executive MBA program.

Krista Barnes, MBA, CAE
Vice President, Member Services

Ms. Barnes joined ASCO in 2014 as Vice President of Member Services and is responsible for leading ASCO’s strategic membership growth and development.  Through her leadership, the Member Services team provides quality benefits and customer service that deliver high membership value to meet the growing and diverse needs of the ASCO membership. 

Ms. Barnes is a membership professional with more than 20 years’ experience in nonprofit organizations. Prior to joining ASCO, she held the position of Assistant Executive Director for Membership, Marketing, and Communication Services at the Council for Exceptional Children. Previously, she has also served in executive membership and marketing positions for the National Recreation and Park Association and the National Council of Teachers of Mathematics.  Ms. Barnes is a graduate of Franklin and Marshall College and earned her Master of Business Administration from Marymount University.  In addition, Ms. Barnes earned the Certified Association Executive (CAE), the highest certification offered by the American Society of Association Executives.

Deborah Kamin, RN, PhD
Vice President, Policy & Advocacy

Dr. Kamin joined ASCO in 1998, leading the Society’s work on a wide range of issues of concern to oncology professionals in all practice settings. Prior to joining ASCO, she directed health policy and benefit design for the Department of Defense civilian health insurance program, TRICARE, which covers more than 9 million beneficiaries worldwide. Dr. Kamin earned a bachelor’s degree in nursing at the Medical College of Georgia, a master’s degree in management science at the Naval Postgraduate School, and a PhD in health policy at the George Washington University.

Mandy Davis-Aitken
Vice President, Meetings Services

Ms. Davis-Aitken joined ASCO in 2001. She began her career in ASCO program support and joined the Meetings Services department in 2006. From 2006 to 2017, she oversaw all aspects of ASCO’s Annual Meeting, including exhibits, registration, housing, and logistics. In 2017, she assumed the role of Vice President and is responsible for overseeing ASCO’s meetings program, including the ASCO Annual Meeting and nine symposia and workshops. Her focus is on ensuring that ASCO meetings follow current best practices and consistently incorporate member feedback and innovative technologies that adapt to the evolutionary needs of ASCO members.