Meet Our Team

Entrepreneur Frederic Jouhet founded MacuHealth in 2006, and has since grown with the best team possible. We are proud of our ever-expanding team and always looking for people with similar passion & experience. If that’s you, please email us.

Frederic Jouhet

Founder & CEO

Frederic Jouhet is a French born entrepreneur who has founded several startup companies in the United States and Europe. He spent over fifteen years with Wall Street Firms. A former professor of law, he taught at several law schools including the University of Detroit Mercy School of Law and the University of Michigan. He is a graduate of the Université d’Auvergne Ecole de Droit et de Sciences Politiques, France, with a Masters in Banking and Business Law as well as a graduate from The University of Michigan Law School where he received his LL.M. (Masters in Law) in 1996. He served as an officer in the French Navy.

Yet, around here he is maker of deals, listener of both genius and stupid ideas, tracker of customer orders, manager of tons of data for daily operations, cheerleader and protector of employees in the field, and getter of everyone on the same page.

The Professionals

Jim Masciangelo

Chief Financial Officer

Jim has served as Vice President of Finance and Controller for various publicly traded and privately held companies specializing in the eye care industry, including Pilkington Barnes-Hind, Akorn, Inc. and Santen LLC.  He has extensive experience in accounting, business systems, and GMP regulations pertaining to medical devices and pharmaceuticals.  Jim did his post graduate studies in finance at Arizona State University, and earned his B.S. in Accountancy from the Williamson College of Business Administration at Youngstown State University.

Keith Kamalich

Vice President of Sales

Keith is an optical industry renown staple. He has over 30 years’ experience in the optical industry ranging from medical devices to frames and from sales representative to CEO. He is now bringing his relationship skills to the MacuHealth team where his focus will center on Key Special Accounts. Keith has a large personality that will wow you, matched by a massive knowledge of the industry and a mastery of the sales process.

James M Stringham, PhD


Dr. Stringham joined the MacuHealth team after a distinguished career in research and academia. He earned his doctorate in experimental psychology and neuroscience from the University of New Hampshire in 2003, and did postdoctoral training at both Harvard Medical School and the Medical College of Georgia. He has since held positions at the University of Georgia, the Air Force Research Laboratory, and most recently the Duke Eye Center. Nearly all of his research has been geared toward understanding visual and cognitive benefits of the macular carotenoids lutein, zeaxanthin, and meso-zeaxanthin. As the Chief Scientific Officer of MacuHealth, Dr. Stringham will expand the scope of research and application of the macular carotenoids to include investigation of effects that may benefit visual and cognitive performance in athletes, visual and systemic health in those with metabolic disease, and neural health and development in children.

Emily Blum

director of Education & Training, Internal sales

Emily has a background of over 15 years in medical sales, and a love of working in Optometry since her first role in this field, in 2010. She joined MacuHealth in 2015 as an outside sales representative and now enjoys supporting the company and sales team in many facets. She finds fulfillment working with the great team and customers at MacuHealth and is passionate about the impact nutrition can have on patients’ vision and ultimately, their quality of life. Outside of work, Emily enjoys spending time with her husband, daughter and 2 spoiled dogs, being active & outdoors and spending time friends.

Josh Allmond

Director of customer service

Josh is our Director of Customer Service. He has a passion for working with people, and has over 8 years of sales/customer service experience in a variety of industries. Most of our customers are extremely pleased with our products and service, but if we disappoint in anyway Josh will make it right.

Benjamin Cohen

director of logistics

Ben has worked in the optical industry for over 20 years as an optician and lab manager. He manages vendor relationships and the supply side of the business. When we need the best solution to a supply-side problem, Ben gets the first call.

Diyan Dzahristos

Office manager —
Executive assistant

Diyan is a seasoned executive with prior experience in operational direction and support in the distribution and legal industries. Currently, her responsibilities include all operational/administrative oversight and direction for a number of companies in various healthcare-related markets. She is a tech-savvy individual with a flawless track record of delivering matchless support facilitating fast-scaling growth.

Tedi Gershenson

Director of Marketing

Tedi oversees all marketing initiatives while driving new, innovative strategies to captivate new audiences. Leading a passionate team of story tellers and designers, Tedi is responsible for sharing the MacuHealth story with patients and doctors.

Tedi is a seasoned builder of brands and teams, for companies of all sizes in many industries. Over the last 15 years, she has led marketing and public relations teams to deliver remarkable experiences and create meaningful interactions.

She is a dynamic, results-driven leader that is adept at ensuring brand and tone consistency, while continuously following trends to identify forward-thinking strategies.

Tedi graduated from Northern Michigan University with a degree in Public Relations and Sociology.

Jason Keil


Jason Keil is an experienced and versatile copywriter, journalist and podcaster. He holds a B.S. in Communication, and his work has appeared in The A.V. Club, Rolling Stone and Lifehacker. Outside of work, he enjoys going to concerts and movies and spending time with his wife and two children.

Ryan Hurkett

Senior Graphic Designer

Ryan is a well rounded graphic designer that brings over 14 years of large format print, branding, pre-press and digital design experience to the MacuHealth marketing team. He was responsible for the print production of all on track and event signage for the Detroit Grand Prix for 8 years prior. Outside of work, Ryan likes to stay active, and has a healthy obsession with music, stand up comedy, podcasts, and coffee.

Andrea Vernagus

Graphic Designer

Before channeling her talents into graphic design, Andrea was a mechanical engineer for Caterpillar and General Dynamics. The Oakland University graduate applies her previous experience to create eye-catching, practical designs.

When she’s not working, she enjoys cheering on her three children, working out, and drinking craft beer with her husband.

Devon Medcroft

warehouse technician

Devon comes to MacuHealth with 8 years experience as a technician in the optical field. Along with customer service, he handles all the shipping and receiving procedures. His attention to detail is exactly what we need to ensure the integrity of our warehouse operations.

Cedar Bottomley

warehouse technician

Giving customers an exceptional experience, along with his outstanding teamwork skills, is what makes Cedar such a valuable addition to MacuHealth. He has many years of warehouse experience and ensures that each order is delivered promptly and accurately.

Alexander Jouhet

Product Line Liaison — Business Development

Alexander joined the MacuHealth team in 2018 and specializes in expanding the scope and adoption of MacuHealth’s product lines, with a particular focus on Vizion Edge and Sniper Sharp as well as all new products ranging from dry eye to blue light protection and general eye health. He attended the University of Arizona where he studied in economics and nutritional sciences.

Dawn Masciangelo

finance administrator — human resource liaison

Dawn is a graduate of Youngstown State University where she majored in Marketing. She began her career in commercial real estate. Her diverse background includes project management and executive administration. Her industry experience includes retail, real estate, aerospace and healthcare. Having a passion for learning and helping others, she uses her skills here at Macuhealth to support accounting and human resources on many levels. Outside of work she enjoys cooking, food and wine, traveling and hiking…especially the beautiful trails of Sedona, Arizona.

Dr Harvey Hanlen

Director of Professional Relations

Harvey P. Hanlen, OD, FAAO has been in private Optometric practice for over 40 years. He did his undergraduate work at the University of Maryland and received his Doctor of Optometry degree from the Pennsylvania College of Optometry in 1974. He was the President of the Mid-Counties Optometric Society in 1978, served as the President of the Pennsylvania Optometric Association in 1982 and served as the 78th President of the American Optometric Association, completing his term in June, 2000. He served on the Board of Trustees of the Pennsylvania College of Optometry, now Salus University, for 6 years.

The Best Sales Team In The Business

Kirsten Ormsby

Senior Regional Director


Kirsten is the Director and a sales specialist for MacuHealth. Her role with these companies involves ensuring that the doctors, staff members, and thereby patients understand the value of how lifestyle choices affect eyesight. Of note, Kirsten began her career in the eye care industry as an Optometric Technician and office Wellness Coordinator. Kirsten’s greatest strengths are her creativity, compassion and focus on customer satisfaction. She thrives on creating a learning environment that ignites passion for saving vision.

Brittney Rushton

Senior Regional Director


Brittney is a sales specialist for MacuHealth in Florida and Georgia, with responsibilities for key accounts in the Carolinas. Prior to MacuHealth, Brittney worked in an Optometric practice that had a strong emphasis on Ocular nutrition using a proprietary brand of appropriate nutraceuticals that she herself promoted and sold. She has a vast knowledge and expertise of the day-to-day functions of an optometry practice, from check-in to optical, and a strong knowledge of nutraceuticals sales making the transition to MacuHealth a perfect fit. Brittney truly values the relationships she forms with each of her clients and takes great satisfaction in making sure their needs are met.

Anitra Eckes

Director of Sales

southwest TERRITORY

Anitra Eckes has been a sales specialist with MacuHealth since June 2015. She comes from a distinctive background as a Registered Dietitian, and was selected as one of ten college graduates nationwide to complete an internship in dietetics at the world-renowned Johns Hopkins Medical Center in Baltimore, MD. From 2008-2011, Anitra worked as a clinical dietitian at Sinai Hospital where she worked to earn her advanced certification as a board-certified nutrition support clinician. While there, she provided nutritional care and guidance to the many patients she served. In 2011, she began a successful career with Abbott Laboratories, where she worked as a sales representative. Anitra grew up in Sioux Falls, SD and considers herself a Midwest girl at heart.

Claire Brinkman

Director of Sales


Claire is committed to providing proactive support to Optometrists and Ophthalmologists in sharing the benefits of enhanced ocular health that MacuHealth can provide. She has a great passion for health, nutrition and fitness, all leading to a progressive sense of well-being. Claire’s professional background includes sales experience in the travel and hospitality industries in the greater New York area. Her strengths include developing and enhancing strong customer focused relationships. Claire received her Bachelor’s degree in Communications from the University of West Virginia.

Christi Richter

Supplement Sales Specialist —

Christi comes to MacuHealth with over 15 years experience in the professional supplement industry. She is a Certified Lifestyle Educator and trainer specializing in “the business side of wellness”. Christi is passionate about transforming healthcare and has helped teach offices, clinics and hospitals across the United States and Canada how to effectively integrate personalized lifestyle medicine programs.

Diane Som

Supplement Sales Specialist —
Indiana, Illinois, Kentucky

Diane Som is known for providing positive client experiences while establishing creditability with her exceptional communication, innovative creativity, and a solution-oriented approach. She is driven to leverage new business opportunities, optimize successful client relationships, and deliver impactful business sales results. With over 15 years of diverse professional experience, Diane worked in the healthcare industrial manufacturing field as an accountant, commodity buyer, human capital resource procurement, and vendor account management. She is a lifelong Indiana resident and received her Bachelor of Arts in Journalism from Indiana University.

Lindsey Silvey

Supplement Sales Specialist —
Colorado, Utah

Lindsey Silvey is a sales specialist for MacuHealth in Colorado and Utah. Prior to MacuHealth, Lindsey worked as an Ocular Surface Account Specialist in both Optometry and Ophthalmology implementing and training on TearScience technology. Her focus was to educate physicians on the technology and disease state, thus creating the optimal patient outcome. Lindsey’s passion is to help physicians provide their patients with the best solutions for optimal vision. Lindsey is a Colorado native who graduated from Colorado State University. She enjoys traveling, running, cooking and spending time with friends and family.

Lisa DeRosa

Supplement Sales Specialist —
South Texas, South New Mexico, Arizona

Lisa is a sales specialist for MacuHealth, covering the Southern border of Texas, South New Mexico and Arizona. She received her bachelor degree from Texas State University in Health and Wellness Promotion. She has a strong background in healthcare sales that allows her to foster strong relationships with practices to ensure the best outcome for their patients. Lisa is passionate about health prevention and wellness, and is excited about sharing how the MacuHealth supplement can benefit patients’ lives.

Mai-Lei Reese

Supplement Sales Specialist —
Tennessee, Alabama, MiSSiSSippi, and Louisiana

Mai-Lei is the sales specialist for the Tennessee, Alabama, Mississippi, and Louisiana territory with 20 years of sales experience in pharmaceuticals and medical devices. Throughout her career, she has developed a reputation as a strong communicator with exceptional critical thinking skills. Mai-Lei has the ability to build lasting professional relationships, and the capacity to perceive multiple options for customers with a focus on meaningful patient outcomes. Mai-Lei has a passion for patients and is committed to bringing her customers evidence-based solutions that enhance patient quality of life.

Melody Goodyear

Supplement Sales Specialist —
Arkansas, Kansas, Missouri, EAST Oklahoma, NEBRASKA

Melody brings over 15 years of experience in the medical/pharmaceutical and business solutions industries. She is was born in St. Louis, MO and has a degree in Communications Management from Missouri State University. She is eager to help physicians prevent disease through ocular nutritional supplementation, and devise implementation strategies to help offices optimize their investment. She takes pride in building strong relationships with her customers and providing educational programs to keep area physicians up-to-date on the latest science in eye and vision health, and in customizing a patient education plan, to help the entire office staff speak cohesively about macular health and disease prevention to support the total messaging of the practice.

Milka Sabourin

Supplement Sales Consultant


Milka is the consultant for MacuHealth in Canada with responsibilities for key accounts in Ontario. She graduated from Wayne State University in 2012 with a BS in Biology, Minor in Health Psychology and Masters in Biomedical Engineering. Milka has several years of sales and consulting experience working with Ophthalmologists and Optometrists who treat age-related macular degeneration. With family members who have already gone blind from this devastating disease, she is committed in creating a learning environment to educate how nutrition along with everyday life choices can affect vision. Milka empowers doctors with the tools necessary to save and enhance their patient’s central vision.

Peter Brown

Supplement Sales Specialist —
New England

As an accomplished chef, Pete brings his nutrition background to MacuHealth. He enrolled in culinary school in Gaithersburg, Maryland and held various positions in in fine dining restaurants in Washington D.C., Las Vegas, Florida, Vermont, and Paris, France. He then continued to study his craft by traveling to Lyon, and Vienne, France to greater understand Classical French Cuisine.

Samantha Amato

Samantha Amato

Supplement Sales Specialist —
Ohio, Lower Michigan, West Pennsylvania and Northern West Virginia

Samantha is a sales specialist for MacuHealth, covering Ohio, Michigan, Western PA and Northern West Virginia. Samantha graduated from Miami University and has been pursuing a career in sales for the last 6 years. With previous experience working in an Optometry office, her passion for health and wellness drives her to succeed in helping others. Her strengths include developing and enhancing strong Customer relationships, delivering impactful business results, and educating and training new and existing Customers. She has a genuine interest in others and an unending curiosity to learn about new things, people and places. You can count on positive energy and spirit when you work with Samantha!

Joseph Toomey

Joseph Toomey

Supplement Sales Specialist —
Minnesota, Iowa, Wisconsin, Michigan's Upper Peninsula

Joseph is a sales specialist for Macuhealth covering Minnesota, Iowa, and Wisconsin. He comes with five years of sales experience and two years in Ophthalmology. He likes working with clients/customers in solving their business needs. He is a very good communicator which helps solidify his relationship and management skills. He is a lifelong Minnesota resident and received his Bachelor of Science in Business from the University of North Dakota. He loves all sports and enjoys volunteering as a youth hockey coach.

Jessica Strange

Jessica Strange

Supplement Sales Specialist —
North Carolina, South Carolina, Northern Georgia

Jessica is a sales specialist for MacuHealth, covering North Carolina, South Carolina and Northern Georgia. Jessica graduated from The University of North Carolina at Charlotte with a BS in Business Marketing and BA in Psychology. Her strong background in sales allows her to develop and maintain impactful relationships while focusing on the best outcome for the patient. Jessica is Type One Diabetic which drives her passion for health and wellness and helping others. She is eager to help and educate physicians, their patients, and provide solutions to enhance visual performance and maintain ocular health.

McKenna Coughlin

Supplement Sales Specialist —
East Coast of Florida North of Port St. Lucie

McKenna has a strong passion for health and wellness, which drives her to educate others to enhance their lives to be their happiest and healthiest selves. A lifelong athlete, McKenna is certified in Personal Training, Strength and Conditioning, Health Coaching, Nutrition and Women's Fitness. McKenna holds a Bachelor of Science in Exercise Science and a Masters of the Arts in Marketing Communications from University of Mississippi.

Johanna Bell

Supplement Sales Specialist —
North California, North Nevada, Utah

Johanna has over 20 years of experience in the health and wellness industry. A graduate of Maryville University and continuing her education at Copenhagen Business School for Strategic Management, her enthusiasm for health, learning and coaching empowers physicians to become educators and promoters of preventative ocular health.  Johanna lives in the Lake Tahoe/Reno area, where she enjoys the outdoors with her family in her free time.

Hayley Stephens

Supplement Sales Specialist —
Washington, Idaho

Hayley is passionate about nutrition and taking a preventative and evidence-based approach to health. She is a Board-Certified Nutrition Specialist® through the American Nutrition Association and holds a Master of Science degree in Human Nutrition and Functional Medicine from the University of Western States. She's worked in various clinical settings, including running a private nutrition practice, and resides in Vancouver, WA.