SIO’s leadership reflects the organization’s multi-disciplinary approach to integrative oncology. The organization is governed by a Board of Trustees, with officers and trustees, and an Executive Committee composed of the President, President-Elect, Treasurer, Secretary and Immediate Past President. In addition, SIO maintains a Past Presidents’ Council, drawing on the extensive knowledge and insights of the organization’s leaders through the years.
Executive Committee

Vice President of Governance
Gabriel Lopez MD
MD Anderson Cancer Center
Board of Trustees
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Santosh Rao, MDPresident
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Linda Carlson, PhD, RPsychImmediate Past President
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Channing Paller, MDPresident-Elect
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Ana Maria Lopez, MD. MPH, MACPVice President of HEIB
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Jodi MacLeod, BAExecutive Administrator
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Eugene Ahn, MDVice President of Communications
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Gabriel Lopez, MDVice President of Operations
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Viraj Master, MD, PhDTreasurer
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Eran Ben-Arye, MD
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Chasse Bailey-Dorton, MD, MSPH
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Tara Berman, MD, MS
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Julie Deleemans
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Betsy Glosik, BSDestination Hope and Patient Advocate
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Judith Lacey, MBBS, FRACGP, FAChPM
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Leigh Leibel, MSc, C-IAYT, ACSM-CET
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Doreen Stein-Seroussi, MA, MPA, C-IAYTThe University of North Carolina at Chapel Hill
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Michael Wargovich, PhD
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Eleanor Walker, MD
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Shelley Wang, MD, MPH
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Yufei Yang, MD
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Hwa-Seung Yoo, MD (DKM), PhD
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Iris Zhi, MD, PhD
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Susan Veleber DACM MS LAc
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Moshe Frenkel MD
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Smitha Mallaiah MD
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Jun Mao, MD, MSCELiaison
Past Presidents
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SIO Founding President, Barrie Cassileth, PhD, (2004), Memorial Sloan-Kettering Cancer Center (Retired) – In Memoriam
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David Rosenthal, MD (2005), Dana-Farber Cancer Institute
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Debu Tripathy, MD (2006), MD Anderson Cancer Center
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Peter Johnstone, MD (2007), H. Lee Moffitt Cancer Center, Tampa
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Lorenzo Cohen, PhD (2008), MD Anderson Cancer Center
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Stephen Sagar , BSc (Hons), MBBS, MRCP, FRCR, FRCPC, DAB (2009), McMaster University
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Donald I. Abrams, MD (2010), UCSF Osher Center for Integrative Medicine
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Gary Deng, MD (2011), Memorial Sloan-Kettering Cancer Center
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Kara Kelly, MD (2012), Roswell Park Comprehensive Cancer Center
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Susan Bauer-Wu, PhD, RN, FAAN (2013), Mind and Life Institute
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Heather Greenlee, ND, PhD (2014), Fred Hutchinson Cancer Center
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Suzanna Zick, ND, MPH (2015), University of Michigan Health System
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Jun Mao, MD, MSCE (2016-2017), Memorial Sloan Kettering Cancer Center
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Lynda Balneaves, PhD, RN (2018-2019), University of Manitoba
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Ting Bao, MD, DABMA, MS (2020-2021), Memorial Sloan Kettering Cancer Center