Management & Advisory Teams

The Aeroscena® Management Team

Mark Kohoot: Founder and CEO

Mark is a senior marketing and business development executive with more than 30 years of worldwide experience. Prior to founding Aeroscena, Mr. Kohoot was with Eastman Kodak of Rochester, New York, as Channel Development Director, responsible for restructuring the worldwide channel strategy of Kodak's $1.3 billion Consumer Digital group.

Mark speaks several languages fluently; he and his family spent six years in the Netherlands during a series of pan-European executive roles at AT&T and Lucent Technologies. His international leadership experience was developed with several years spent as the Executive Director of the French American Chamber of Commerce, a degree in international business from The Ohio State University, and graduate studies in Marketing at the Ecole Superieure de Commerce (now Audencia) in Nantes, France.

As an entrepreneur, Mark founded the Cleveland-based American World Trade in 2002 to manage exports for a variety of U.S. manufacturing companies. He also is the founder of DataFortress LLC, the first fire-and water-resistant home data storage system, which was acquired by Schwab Corp.


Shannon Eggleton: Vice President, Marketing and Communications

photo of shannon eggletonA member of the Aeroscena team since 2013, her past roles have included various merchandising, marketing and creative roles with such companies such as Home Shopping Network (HSN), Borders Group, Inc. and American Greetings. She holds a B.S. in Behavioral Psychology from Western Michigan University.

Aeroscena® Advisors and Angels

Howard L. Levine, M.D., Director, Cleveland Nasal-Sinus & Sleep Center

howard levine, MDHoward L. Levine, MD, is the Physician Director of the Cleveland Nasal-Sinus & Sleep Center. He is on the adjunctive staff of the Head and Neck Institute of the Cleveland Clinic Foundation and the former head of the section of nasal and sinus disorders of the Cleveland Clinic Foundation.

After graduating from the University of Pennsylvania, Dr. Levine attended Northwestern University School of Medicine, trained in general surgery at University Hospitals of Cleveland Ohio and in otolaryngology at Northwestern University Medical Center. Howard is a fellow in the American Rhinologic Society and was its President (2006-2007). He has lectured throughout the world on nasal and sinus disorders and authored over 100 peer-reviewed articles and textbooks. He has also been an investigator in minimally invasive sinus procedures such as Balloon Sinuplasty and office procedures to manage snoring and sleep apnea.

Dr. Levine served as the Vice-President of Medical Affairs for Acclarent, an Ethicon, Johnson & Johnson Company from 2010-2016. He has been frequently named in “Best Doctors in America” from 1992 to the present, “Top Doctors in Cleveland”, and “America’s Top Doctors”.


Dr. Michael F. Roizen, Chief Wellness Officer, Cleveland Clinic and Chairman of The Tanya I. Edwards MD Center for Integrative Medicine

Michael F. Roizen, MD, is a Phi Beta Kappa graduate of Williams College and Alpha Omega Alpha graduate of the University of California, San Francisco, School of Medicine. He performed his residency in internal medicine at Harvard's Beth Israel Hospital and completed Public Health Service at the National Institutes of Health in the laboratory of Irv Kopin and Nobel Prize winner Julius Axelrod. He is certified by both the American Board of Internal Medicine and of Anesthesiology.

Dr. Roizen is the Cofounder and Chair of the RealAge, Inc., Scientific Advisory Board. He is 62 calendar years of age, but his RealAge is 42.8.Dr. Roizen has given more than 1,400 lectures to professional medical groups and has been recognized with over 20 professional lectureships. He has often appeared in the national media, with frequent appearances on The Oprah Winfrey Show, Today, 20/20, CBN, CNN, CBS, Good Morning America, Canada AM, The Montel Williams Show, Larry King Live, and has developed and produced four PBS fundraising specials (his fundraising special The RealAge Makeover was one of the top two PBS special fundraisers in 2006, now with well over 5,000 showings in 100 TV markets). His most recent two PBS specials: YOU: On a Diet, and Longevity Factors, have both received critical acclaim, as well as widespread distribution.

He and Dr. Mehmet Oz write a monthly column for Reader’s Digest; a quarterly column for the nursing magazine Every Woman; and a daily syndicated newspaper column distributed by King Features Syndicate. Drs Roizen and Oz also record one hour a day of radio for Oprah and Friends for satellite radio and cable.

Additionally, Dr. Roizen helms a 2-hour, 26-station terrestrial program entitled YOU: The Owner’s Manual Radio Show, live every Saturday. He has been featured in FortuneO (the Oprah Magazine)Glamour, Cosmopolitan, Good Housekeeping, Ladies’ Home Journal, Biography, People, US, Men’s Health and Prevention.

Pierre Schaeffer, SVP Marketing, CMO, Thales Group

photo of pierre schaefferThroughout his career, Pierre Schaeffer has designed and implemented successful strategies to capture new growth opportunities in a range of high-tech industries.

He began his career at Apple in 1989 and later served as regional director for Apple Europe's publishing, entertainment and new media business. In 1997, he joined Eastman Kodak, where he developed and led the marketing strategy for the consumer digital business for eight years. In 2009, Pierre Schaeffer was appointed Vice President, Marketing, for the Michelin Group, where he drove a global transformation in the tire maker's marketing model to accelerate growth from emerging markets and services.

In 2011, Pierre Schaeffer founded Marketect LLC, an international management consulting practice based in the Washington DC area, helping companies successfully harness innovation, find market leverage and deliver growth.

Pierre Schaeffer graduated from the Ecole Supérieure de Physique et Chimie Industrielles de Paris (ESPCI) and received a post-graduate degree in Artificial Intelligence from Paris VII University. He followed Apple's Executive MBA program at the INSEAD business school near Paris.


Stephen J. Petras, J.D.; Retired Partner, BakerHostetler

photo of stephen j. petrasMr. Petras brings decades of extensive domestic and international legal experience and leadership to Aeroscena®. After retiring as a partner at BakerHostetler, he founded NeXT1 Inc., in 2019, and now serves as its director. Mr. Petras is the Director of the Cox International Law Center of Case Western Reserve University School of Law.


Stewart Kohl, CEO, The Riverside Company

image of stewart kohl, ceo, riverside companyMr. Kohl is Co-CEO of The Riverside Company, a global private equity firm focused on acquiring and investing in growing businesses valued at up to $400 million. He was an early investor in Aeroscena® and continues to advise the company in many capacities. 



Kelly Emerton, Ph.D; Sr. Director Product Development Cleveland Clinic; CEO Tatara Vascular

image of kelly emertonDr. Emerton is Sr. Director of Product for Cleveland Clinic Innovations & CEO of Tatara Vascular, LLC. She has an extensive background in medical device development, including bringing these products to market. Dr. Emerton holds a Ph.D from City College at the City University of New York.


Jennifer Roizen, Ph.D., Organic Chemistry, Caltech; Post-Doctoral Fellow, Stanford; and Assistant Professor of the Roizen Research Group at Duke University

Image of Jennifer RoizenDr. Jennifer Roizen brings a decade of experience in chemical research to Aeroscena. Dr. Roizen earned a Bachelor of Arts with honors in Chemistry from Williams College, and a doctorate in Organic Chemistry from the California Institute of Technology. Dr. Roizen held a Kirschstein-NRSA Postdoctoral Fellowship at Stanford University, with sponsorship by the National Institutes of Health.

Currently, Dr. Roizen serves as an Assistant Professor of Chemistry at Duke University. Her research focuses on the development of a new method of chemical synthesis, with wide-ranging applications in multiple areas of medicine and health, including the treatment of cancer. She has secured many awards and honors for her contributions to science.Dr. Roizen is a scientific advisor for Aeroscena®, which provides portable aromatherapy with a health-based purpose, and, a site that promotes healthy behaviors by educating visitors about the science of beauty. Aeroscena has elicited her support with their long-term vision of scent-delivery as a simple and inexpensive way to improve the quality of healthcare, and life.