David Arons is the Chief Executive Officer of National Brain Tumor Society. He also serves as the National Brain Tumor Society’s Chief Public Policy and Advocacy Officer. He previously served as the Director of Government Relations for the American Cancer Society in Minnesota and was the co-founder and Co-Director of the Center for Lobbying in the Public Interest. He is the author of several books, including Power in Policy: A Funder’s Guide to Advocacy and Civic Participation, Strengthening Nonprofit Advocacy, and A Voice for Nonprofits. He serves on the National Cancer Institute’s Council of Research Advocates and Clinical Trials Advisory Committee.
Chief Advancement Officer
Samantha (Samm) Masterson is National Brain Tumor Society’s Chief Advancement Officer. In this role, Mrs. Masterson works directly with the Chief Executive Officer to provide vision, strategy and leadership to National Brain Tumor Society’s Events, Marketing Communications, and Development functions. Mrs. Masterson is a proven fundraiser, community builder, and manager of human capital. Previously, she served in leadership, development, and marketing communications positions for prominent for-profit and non-profit organizations, such as the American Liver Foundation, The TJX Companies Inc., March of Dimes, and Alternatives Unlimited, Inc.
Chief Research Officer
Carrie Treadwell serves as the Chief Research Officer at the National Brain Tumor Society, and President of the Cure GBM, LLC and Pediatric Cancer Cure, LLC. In these roles, she interacts with leading researchers and institutions to guide the development and success of key research initiatives including management of Defeat GBM Research Collaborative and Project Impact’s Defeat Pediatric HGG Research Collaborative. Carrie currently serves on the Boards of Students Supporting Brain Tumor Research and Gray Matters Foundation, as well as co-Chairs the Global Adaptive GBM Trial Patient Advocacy Committee. She also serves as the patient advocate for the National Cancer Institute’s Brain Tumor SPORE Program.
National Director of Marketing Communications
Michael Antonellis is the National Director of Marketing Communications at the National Brain Tumor Society. Mr. Antonellis is an executive staff member and plays a key role within the advancement team by developing, directing and leading marketing strategy and communications programs for internal and external marketing, promotion and branding. He leads campaigns to drive public awareness and brand recognition, build deeper engagement and loyalty from volunteers and donors, and promote organization-centric fundraising and research/clinical trial education. He previously served as Director of Marketing & Communications at Harte Hanks and has held senior communications positions at VISTAGY (now Siemens) and Lois Paul & Partners.
National Director of Field Operations
Craig Strenger is the National Director of Field Operations for the National Brain Tumor Society. In this executive role, Mr. Strenger is responsible for strategic field planning, Strategic corporate partnerships as well as national event fundraising, event structure development, budget creation, and training for volunteer management and sponsorship solicitation. He manages and leads a team of extremely talented regional directors that build and manage impactful events and community fundraisers. He has previously held executive positions at Penster Consulting, Cystic Fibrosis Foundation, American Diabetes Association and the Muscular Dystrophy Association.
National Development Officer
Wendi Nance serves as the National Brain Tumor Society’s National Development Officer and oversees development strategy and execution for the organization’s health care platform and the Cure GBM and Pediatric Cancer Cure LLCs. Ms. Nance is a senior-level development professional, who most recently served as the Associate Vice President of Institutional Advancement at the Morehouse School of Medicine (MSM). She has also served as the CEO of a South Carolina chapter of the YWCA, and is an active participant on several boards and committees in South Carolina.
Michael Nathanson is the Chair of the National Brain Tumor Society Board of Directors. He is also the Chief Executive Officer, President, and Chairman of The Colony Group, a leading independent wealth management company. He has been on the National Brain Tumor Society’s Board of Directors since 2011. He has been named five times by Barrons as one of the top 100 independent financial advisors in the nation. Mr. Nathanson has been living with a brain tumor since 2000.
Cord Schlobohm, DMD
Cord Schlobohm, DMD is the Vice Chair of the National Brain Tumor Society Board of Directors. He has been a practicing dentist in Bethesda, MD for over 25 years. Dr. Schlobohm became involved with the National Brain Tumor Society after losing his daughter to a brain tumor. He recently served as a patient advocate on the peer-reviewed Cancer Research Program of the Department of Defense, and has spoken on NPR on behalf of the National Brain Tumor Society.
Michael Corkin is the Treasurer of the National Brain Tumor Society Board of Directors. He is also the President and Owner of Corkin Insurance Company, based in Newton, Massachusetts. He initially became involved with the Organization after his daughter was diagnosed and successfully operated on for a brain tumor 20 years ago. He is also a leading fundraiser for the Boston Brain Tumor Ride and in recent years served as the event co-chair.
Sarah Durham is the Clerk of the National Brain Tumor Society Board of Directors. She is the Principal and Founder of Big Duck, a communications firm that works exclusively with nonprofits to help reach supporters, build awareness, and raise money. She was named a top fundraiser under 40 by Fundraising Success in 2006, and one of the most influential women in technology by Fast Company in 2010.