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ACCC Senior Staff Members

Christian G. Downs, MHA, JD
Executive Director
Association of Cancer Care Centers

Christian G. Downs, JD, MHA, is Executive Director of the Association of Cancer Care Centers. Mr. Downs brings more than 15 years of association management expertise, guiding associations in their work on national policy and educational programming. He has been instrumental in working with healthcare providers, the Centers for Medicare & Medicaid Services (CMS), and Congress on association–specific issues.

Mr. Downs led the Association of Cancer Care Centers' efforts on such critical issues as easing implementation of new regulations, ensuring patient access to new cancer therapies, and refining physician office payments for delivery of services.

Mr. Downs worked in the public policy department of the American Society of Clinical Oncology (ASCO) on physician office and billing and coding issues. Previously he administered a large tertiary care hospital, managed a physician multispecialty practice, and worked for the Education and Health Committee of the Virginia State Senate.

Mr. Downs received his master's degree in health administration from the Medical College of Virginia and his law degree from George Mason University with a special focus on regulatory and administrative law. He is a board member of the Patient Advocate Foundation and C–Change, a large coordinating organization for cancer groups.

Judy Ebmeier
Director of Development, Educational Initiatives
Association of Cancer Care Centers

Judy Ebmeier is the Director of Development, Educational Initiatives for the Association of Cancer Care Centers (ACCC). Ms. Ebmeier has over 25 years of experience in the healthcare industry and is responsible for ACCC’s multi-year initiatives that address educational gaps within multidisciplinary cancer care teams; as well as acquiring funding for these programs. Areas of focus include the ACCC Institute for Immuno-Oncology (IO Institute); Financial Advocacy Network (FAN); and Oncology Pharmacy Education Network (OPEN); and other areas of interest from our membership; to ensure our focus remains on the ever-changing cancer care landscape.

Judy has worked extensively both domestically and internationally in business development and operations roles; providing educational services to the pharmaceutical sector focused on both live meetings and events, as well as in the multi-channel, digital education space. Her experience spans both start up organizations and fortune 100 companies.

Judy received her Bachelor of Science degree from the University of Florida.

Sabina Gargiulo
Senior Director, Corporate Relations & Development
Association of Cancer Care Centers

Sabina Gargiulo is the Senior Director of Corporate Relations and Development for the Association of Cancer Care Centers (ACCC) and CMI, the association management division of MJH Life Sciences. In this role, Sabina works with the association's national corporate members and industry partners to advance cancer care delivery through leadership exchange, education and other value-driven initiatives.

For the past 20+ years, Sabina has built a strong professional background working with associations and non-profits to advance their missions and financial positioning through cultivating meaningful and sustainable relations with industry. Prior to joining CMI and MJH Life Sciences, Sabina led Industry Relations and Marketing for a large association management company servicing about forty national and international clients, cross-industry. She was also a member of the company's senior leadership team, technology advisory council and ASAE Foundation ForesightWorks task force.

Doug Hutton
Doug Hutton, MBA
Director of Marketing
Association of Cancer Care Centers

Doug Hutton is the Director of Marketing at Association of Cancer Care Centers (ACCC). In this role, he oversees branding and lead generation marketing strategy for ACCC and their Oncology State Society (OSS) clients. With 20 years of award-winning experience, his focus is on increasing engagement of ACCC members and maximizing the association’s awareness among oncology professionals.

Prior to ACCC, Doug was Director of Association Marketing at Guardian Life Insurance where he was recruited to build their Association Alliance program. Over 7 years, he successfully implemented and scaled it to grow 500%+ in revenue, with 80% engagement among his target market.  When he’s not working with his team to develop new marketing plans, you’ll find him enjoying all-things outdoors with his family and friends.

Molly Kisiel, MSN, FNP-BC
Director, Clinical Content
Association of Cancer Care Centers

Molly Kisiel, MSN, FNP-BC, is the Director of Clinical Content for ACCC. She brings 15 years of oncology experience to her role where she supports the development of medical education and provides clinical oversight to an array of educational projects. Prior to joining ACCC, she worked as a breast surgical oncology nurse practitioner in the Northern Virginia area. She also has experience as a nurse navigator working for a community organization, and as a bedside nurse in both inpatient adult and pediatric oncology at a large hospital system in Northern Virginia.

She received her Masters of Science in Nursing (MSN) from George Mason University in Fairfax, Virginia. She completed her Bachelors of Science in Nursing (BSN) at James Madison University in Harrisonburg.

Monique J. Marino
Senior Director, Editorial Content & Strategy
Association of Cancer Care Centers

Monique J. Marino is Senior Director, Editorial Content and Strategy at ACCC, where she is responsible for developing quality, member-driven content for ACCC’s bimonthly, peer-reviewed journal Oncology Issues. She is also responsible for developing agendas for ACCC flagship meetings, including identifying topics and subject matter experts. Monique grew up in Pennsylvania, where she graduated magna cum laude from Shippensburg University. Monique lived in Tokyo for five years before moving to the Washington, DC. metropolitan area. She spends most weekends sailing and motoring in the Chesapeake Bay.

Elana Plotkin, CMP-HC
Senior Director, Provider Education
Association of Cancer Care Centers


Laura Ricker
Director, Event Management
Association of Cancer Care Centers

Laura Ricker, PMP, is the Director of Event Management for ACCC and has been implementing international and domestic events and programs across multiple industries for the past 25 years. In this role, as the head of the CMI Meeting's Department, she directs the overall planning and strategy for all in-person meetings for CMI clients, including the ACCC National Oncology Conference, Annual Meeting and Cancer Center Business Summit, Oncology Reimbursement Meetings and various Oncology State Societies annual conferences.

While demonstrating positive impact and developing long lasting connections, she enjoys working with a dedicated team who inspire connection, education and advocacy and help to positively impact the healthcare landscape.

Reesa J. Sherin, MSN, RN
Director, Clinical Strategy
Association of Cancer Care Centers

Reesa Sherin brings clinical operations expertise to ACCC with roots in oncology nursing supporting patients and their care teams. With a focus in informatics, Reesa served in various roles as the clinical perspective in healthcare innovation.

Reesa’s distinguished path includes enhancing efficiencies in clinical workflows, and ensuring clinical problems are solved with relevant and meaningful solutions. She aims to find opportunity in navigating the healthcare delivery system with a goal of supporting the oncology ecosystem.

Building upon ACCC’s existing relationships, Reesa is responsible for identifying unmet needs to match new collaborations, and developing innovative strategies & tools to support our members in our evolving healthcare environment.

Latha Shivakumar, PhD, CHCP
Director, Clinical Education Development
Association of Cancer Care Centers

Latha Shivakumar has a Ph.D. in Molecular and Cellular biology from The University of Texas Southwestern Medical Center and is a Certified Healthcare CPD Professional. She has 13 years of experience in the continuing medical education field and is currently the Director of Clinical Education Development at the Association of Cancer Care Centers (ACCC). In her current role, she is responsible for identifying educational needs among the ACCC members and developing innovative clinical educational programs to address these gaps.

Latha started her career in oncology research and transitioned to the continuing education field where she retained her focus on oncology. Most recently, she was the Director of Educational Development at The France Foundation, where she contributed to expanding their educational offerings in oncology and set up new collaborations with medical societies and academic centers. Prior to this, Latha has held educational development positions with accredited medical education providers including, Rockpointe corporation, Institute for Medical Education and Research, and Physicians Education Resource.

Karen Taka
Karen Tacka, PhD
Chief Program Officer
Association of Cancer Care Centers

Karen Tacka, PhD, is the Chief Program Officer for the Association of Cancer Care Centers (ACCC). In this role, Dr. Tacka works interdepartmentally to ensure alignment of provider education programming with ongoing assessment of members’ needs, community issues and previous program outcomes to produce meaningful and impactful education for the ACCC membership.  Dr. Tacka brings with her over 15 years of experience in a wide variety of settings focused on process standardization, education and strategic partnerships.

She earned her PhD in Neuroscience from SUNY Upstate Medical University and her bachelor’s degree in Biology from King’s College.

Nicole Tapay, JD
Director, Cancer Care Delivery & Health Policy
Association of Cancer Care Centers

Nicole Tapay, J.D. is the Director, Cancer Care Delivery & Health Policy for the Association of Cancer Care Centers (ACCC). In this role, she is responsible for developing and executing ACCC’s health policy and advocacy strategy. She serves as a liaison between ACCC’s members and external stakeholders, including patient advocacy organizations, policy experts, and governmental agencies and officials to advance the policy objectives and priorities of ACCC’s interdisciplinary membership.

With more than twenty-five years of experience, Ms. Tapay has held senior health policy, legislative, and regulatory roles in the government, non-profit, and private sectors. She has advised senior executives, government officials, and policy experts on the development, implementation, and analysis of comprehensive and incremental health coverage and systems reforms in the U.S. and internationally. Her past positions include senior roles at the National Coalition for Cancer Survivorship, Eli Lilly, the U.S. Senate, Georgetown University, the Centers for Medicare and Medicaid Services (CMS), and the Organization for Economic Cooperation and Development (OECD).

Nicole obtained her A.B. from Princeton University and her J.D. from Georgetown University Law Center.