Our Board

Kevin Mallen is a sales associate at CORE Group and brings a distinctive blend of experience, integrity and commitment to CORE as a result of his business background and passion for real estate.Before entering the real estate industry, Kevin spent over 15 years in medical advertising working with top pharmaceutical, biotech and medical device companies. Since this experience, he continues to show an interest in the research and development of products across all disease categories and is encouraged by the advances related to the cardiovascular field.Born in San Francisco, Kevin has resided in New York for over twelve years and enjoys all aspects of city living from the arts, local sports teams and the many outdoor activities available for him, his wife and two young daughters.

Roxana Mehran, M.D. is the Professor of Medicine and Director of Interventional Cardiovascular Research and Clinical Trials at the Zena and Michael A. Weiner Cardiovascular Institute at Mount Sinai School of MedicineDr. Mehran is internationally recognized for her work as a clinical trial specialist with complex data analyses and outcomes research within the field of interventional cardiology and for her experience and expertise in working with regulatory agencies to conduct clinical trials. Her research interests expand from mechanisms of restenosis to treatment and prevention of acute kidney injury in cardiac patients, as well as advancing treatments for acute coronary syndromes and acute myocardial infarction.She has served as Course Co-Director of the annual Transcatheter Cardiovascular Therapeutics (TCT) for the last 13 years. Dr. Mehran serves on the editorial boards of multiple peer reviewed journals, including Journal of the American College of Cardiology, Circulation, and Circulation Research.

She currently serves on the board of trustees of SCAI, as a member of the Program Committee for the American Heart Association Scientific Sessions, as a member of the board of directors for Harboring Hearts, and as Program Chair for Society of Cardiac Angiography and Interventions (SCAI- WIN (Women in Innovations)) Initiative, and is also the Chief Scientific Officer of the Clinical Trials Center at the Cardiovascular Research Foundation (NYC).

Ryan Melkonian is the Managing Partner of Melkonian Capital Management, LLC. Mr. Melkonian has 19 years of investment experience focusing primarily on public markets, private equity and real estate. Previously, Mr. Melkonian spent nine years at First Long Island Investors, LLC where he was a principal and Senior Portfolio Manager with oversight of $1.3 billion in assets invested across multiple asset classes.From 1998 to 2001 he was also a principal of W.P. Stewart Asset Management, a leading money management firm with over $10 billion under management. Mr. Melkonian began his career as an analyst for Republic National Bank of New York.He is a Chartered Financial Analyst and received a B.S. degree from Cornell University in 1992 and an M.B.A. with Honors from Columbia University in 1998. Mr. Melkonian is actively involved in a number of philanthropic and community activities.

William T. Sullivan is the President & CEO of the Ronald McDonald House of New York City, the largest Ronald McDonald House in the world.The Ronald McDonald House of New York City is a facility that serves as a “home away from home” for pediatric cancer patients and their families while they are in New York City to receive treatment at local hospitals.A native of Brighton, MA, who is himself a survivor of prostate cancer, Mr. Sullivan previously served as Chief Operating Officer of the Greater New York Councils of the Boy Scouts of America. In this position, Mr. Sullivan was in charge of the finance division and also oversaw the membership of over 120,000 youths throughout the five boroughs of New York City. In his tenure of overseeing all fundraising efforts for the Boy Scouts of Greater New York, Mr. Sullivan assumed the responsibility of a $16 million budget and completed a $7 million capital campaign that built Cub World in Alpine, New Jersey.

Cyrus Massoumi is the CEO of ZocDoc, which he co-founded in 2007 after rupturing an eardrum. Massoumi struggled for four painful days to find a doctor, and became convinced that a better healthcare system is possible. He has extensive experience in the healthcare-technology nexus, web commerce, and small business management.Prior to ZocDoc, Massoumi served as an Engagement Manager at the global management consulting firm McKinsey & Company, where he focused on healthcare and technology. Massoumi’s four-year tenure at McKinsey & Co. began soon after his 2003 graduation from Columbia University, where he earned an MBA and received the Heffernan Award for Outstanding Service.In 1999, Massoumi founded his first business, a web startup specializing in e-commerce management tools. During the prior year, he worked in Austin, TX, for Trilogy Software, which recruited Massoumi upon his graduation from the Wharton School cum laude.

Massoumi’s most proud and humbling distinction to date is ZocDoc’s 2010 recognition by Crain’s New York Business as the Number One Best Place to Work in NYC.

Yoshifumi Naka is currently the Associate Professor of Surgery at Columbia University College of Physicians & Surgeons, the Director of the Cardiac Transplantation Program at Columbia University Medical Center, Director of the Mechanical Circulatory Support Program at Columbia University Medical Center and Attending Surgeon at New York-Presbyterian Hospital/Columbia University Medical Center.Dr. Naka is internationally known for his clinical expertise in adult cardiac surgery for coronary artery disease, valvular heart disease, heart transplantation and mechanical circulatory support device implantation. His research interests expand from cardiac and pulmonary transplantation, organ preservation, surgical treatment of atrial fibrillation, vein graft disease after bypass surgery and outcomes of clinical mechanical circulatory support device surgery and heart transplantation.Yoshifumi has been honored by the American Heart Association and Japanese Association of Thoracic Surgery, among others. He is a member of numerous societies, most notably, American Association for Thoracic Surgery, American Heart Association, Councils of Circulation and Cardiothoracic Surgery, American Society for Artificial Internal Organs, American Society of Transplant Surgeons, International Society for Heart and Lung Transplantation, Japanese Association for Thoracic Surgery and Japan Surgical Society.