Our Mission

At Cortina Health, we know there is a better way to do healthcare. We believe quality healthcare is a privilege that should be accessible to all. From the moment you download our app to the moment you interact with a physician to the moment you finish treatment and thereafter, Cortina Health’s goal is to make sure you receive the same level of meticulous, personalized, white glove care from start to finish.

How? We empower our patients to take control of their health by utilizing the efficiency, expertise, and effectiveness of Artificial Intelligence under the guidance of our doctors. We treat patients from the comfort of their own home so they can receive the best care possible while allowing physicians to once again focus on practicing medicine without the mundane, time-consuming dreary details of an in-person office visit. Healthcare can be a confusing and impersonal yet completely necessary part of our daily life, and we’re here to make it as easy (and dare we say enjoyable?) as possible. Simply put, Cortina Health puts the care back in healthcare.

Why AI? Artificial Intelligence is here to stay. It streamlines ideas and projects, removes room for error, and makes our lives run more smoothly without us even realizing it. So why shouldn’t we utilize this technology in our healthcare system? We believe superior care is quite literally a click away.

Our Team

Dr. Reid Maclellan

Reid Maclellan, MD, MMSc

Chief Executive Officer

Reid Maclellan, M.D. is the Founder and CEO of Cortina Health, Inc. He is an Adjunct Professor of Surgery at both Harvard Medical School and Boston Children’s Hospital…

Paul Roossin

Paul Roossin

Chief Technology Officer

Paul Roossin is an AI researcher and technologist who, at IBM, created the first commercially available continuous speech recognition system…

Advisory Board

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Board Member 1

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Board Member 2

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Board Member 3

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Dr. Reid Maclellan

Reid Maclellan, MD, MMSc

Founder and CEO

Reid Maclellan, MD, is the Founder and CEO of Cortina Health, Inc. Dr. Maclellan also is an Adjunct Professor of Surgery at both Harvard Medical School and Boston Children’s Hospital where he practices and teaches translational medical research. Cortina Health, an artificial intelligence healthcare company, has a mission to restore the care in healthcare and improve quality of life for both patients and physicians. Cortina Health empowers patients to take control of their health with Cortina Health’s patent-pending proprietary digital platform. Using pattern recognition, natural language understanding, and other AI modalities, Cortina Health treats patients from the comfort of their own home so they can receive a superior quality of care and physicians can once again focus on practicing medicine.

In addition to serving as the CEO of Cortina Health, Dr. Maclellan currently serves on the Board of Directors for eight organizations, including both for-profit and not-for-profit. He is a director of Diagnos, a publicly traded international company focused on artificial intelligence platforms that provide assistances to general practitioners in interpreting medical imaging at primary care facilities (Montreal, CA). He also is a director of Proactive Dermatology Group, a family-office management firm focused in the healthcare sector (St. Petersburg, FL). He serves on the International Councilors of the Harvard Kennedy School Belfer Center for Science & International Affairs (Cambridge, MA). Dr. Maclellan is a trustee of Gordon College (Wenham, MA). He sits on all three of the Maclellan Family Foundations’ boards: Maclellan Foundation Inc, Christian Education Charitable Trust, and RL and KH Maclellan Foundation (Secretary) (Chattanooga, TN). He is the chairman of Above the Clouds, a not-for-profit organization that brings joy and hope through the wonder of small aircraft flight to seriously ill and underserved children and teens (Boston, MA). He also is the co-host of “The Voice of Healthcare”, a podcast that discusses the growing intersection of next generation technology and the healthcare sector.

As a key opinion leader in the fields of healthcare technology, artificial intelligence, plastic surgery, vascular anomalies, and lymphedema, Dr. Maclellan frequently is invited to lecture both nationally and internationally. He completed a general surgery internship at the University of Tennessee College of Medicine Chattanooga. Dr. Maclellan then completed plastic surgery clinical and research fellowships at Harvard Medical School and Boston Children’s Hospital.  Dr. Maclellan graduated magna cum laude with a B.S. from the University of Alabama at Birmingham. He received his M.D. from the University of Alabama School of Medicine. He earned a post-doctoral Masters in Medical Sciences Degree in translational medical research from Harvard Medical School.

Paul Roossin

Paul Roosin

Chief Technology Officer

Paul Roossin is an AI researcher and technologist who, at IBM, created the first commercially available continuous speech recognition system, which transcribed radiological report dictation. Prior to joining Cortina Health, Paul was the Science Director of Nanotronics Imaging, Inc., a New York-based microscopy, computer vision, AI, and robotics company that designs and delivers automated inspection and analysis solutions to the semiconductor, pharmaceutical, and materials industries. Paul trained as a neurobiologist at The Rockefeller University where he performed pioneering investigations into the neural substrates of memory consolidation and recall. His interest in artificial intelligence led him to join IBM’s TJ Watson Research Center, where he and his team created the world’s most accurate machine translation system, used for translating French texts into English. The statistical and information theoretical techniques they pioneered have become the methods used by all modern translation software. At IBM Research he also designed, produced, and marketed MedSpeak Radiology, the first commercially available continuous speech, large vocabulary speech recognition system. This system and its progeny are currently used to automatically transcribe nearly all radiology reports in the US. His work at IBM was recognized by numerous Research Division Awards, and he authored or co-authored many technical reports, papers, and patents. As an entrepreneur, he and two colleagues founded ConsumerSearch.com, a consumer product meta-review website; it grew to be one of the largest shopping sites on the web and was sold to The New York Times Digital in 2007. Other prior experience includes CTO positions at the technology startups Tribeca Software and Revonet, Inc., and he was a founder and general manager of Blueshift Ventures, LLC, an early-stage life sciences and technology venture capital firm based in New York City. He is also the founder and CEO of Mental Machinery, Inc., a science and technology consulting firm.

A member of the New York Academy of Science and the Society of Sigma Xi, Paul’s active interests include medical and science policy, the development and use of artificial intelligence technologies, and educational outreach. He was featured as one of the 100 smartest individuals in the New York City area in a New York Magazine cover story. Paul received a B.A. cum laude from New York University in biology and computer science and from 1980 to 1985 was a Ph.D. Fellow at both The Rockefeller University and the Courant Institute of Mathematics.