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 worked in medical sales for 15 years and joined MacuHealth in 2015 as an outside sales representative. Now she enjoys supporting the company, its sales team and customers in many ways, including training sessions and education opportunities. When she isn't at work, Emily enjoys being active outdoors and spending time with her friends, family and two spoiled dogs.

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.

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.

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.

Ryan Hurkett

Ryan Hurkett

Senior Graphic Designer

Ryan is a well-rounded senior graphic designer who brings over 15 years of experience in large format print, branding, pre-press, and digital design 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.

Pearl Fakhoury

Graphic Designer

Pearl is a multimedia artist who works in digital illustration, acrylic painting, collage art and photography. Inspired by her grandmother, who is an artist, she graduated from Oakland University with a degree in graphic design. When she isn't putting together eye-catching designs for MacuHealth, she cooks, listens to music and podcasts, and spends time with her dogs.

Jennaveyve Dawson

Graphic Designer

Jennaveyve is a graphic designer with experience from the banking, advertising, and real estate industries. She graduated from Western Michigan University with a degree in Advertising and has since applied her expertise to her daily work at MacuHealth. In her spare time, she enjoys baking and cooking for her family, immersing herself in reading, and exploring new restaurants.

Autumn Shunia

Multimedia Producer

Autumn is a creative enthusiast with a deep love for the worlds of media and art. As a driving force behind visual storytelling, Autumn's mission is to capture real footage and turn it into captivating, visually stunning, and emotionally resonant video content that perfectly fits our company's goals and brand identity, helping us reach even more people along the way.

With a Bachelor of Arts degree in Media and Information from Michigan State University, she blends her creativity with technical know-how to craft content that grabs your attention and keeps you hooked.

Devon Medcroft

Distribution Center Manager

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.

Talia Bartelstone


While in school, Talia demonstrated great talent in organizing and promoting events. She applied that passion in the creation of events for special education students. She joined MacuHealth and brought her problem-solving skills to help the team make sure both customer service and sales department issues are resolved promptly and effectively. In her free time Talia enjoys camping with her two dogs and little sister, as well as doing art.

Alexander Jouhet

Director of Purchasing — maravilla, llc

Alexander joined MacuHealth to assist the team with expanding the scope and adoption of Vision Edge PRO and Sniper Sharp. In 2023, after Maravilla LLC purchased the patent portfolio behind MacuHealth’s product line, he became Maravilla’s purchasing director, overseeing raw material purchasing, patents maintenance and fees, licensing agreement and invoicing. He attended the University of Arizona where he studied in economics and nutritional sciences.

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.

Elena Yordanova


Elena is a highly dedicated and forward-thinking finance and accounting professional. Skilled in implementing innovative systems and processes to drive organizational productivity with a proven track record of achieving objectives and meeting deadlines. Proficient in supervising all accounting operations, including budget preparation and forecasting. Dedicated to maintaining and improving accounting policies and procedures for organizational success. Elena completed her master's degree in accounting at Old Dominion University in Virginia before moving to Arizona eight years ago. Since then, she has fallen in love with the state and now calls it home. In her free time, she enjoys skiing in the Rockies and traveling with her family just as much as working in her backyard and immersing herself in a small-scale renovation projects.

The Best Sales Team In The Business

Kirsten Ormsby

Senior Regional Director


Kirsten is a Senior Regional Director at 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 Senior Regional Director at MacuHealth. 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

Supplement Sales Specialist


Anitra Eckes is a Director of Sales at MacuHealth. 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.

Milka Sabourin

Director of Sales


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.

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.

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!

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.

Jessica Moore

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.

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.

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.

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.

Leah Jones

Supplement Sales Specialist —
Minnesota, Wisconsin, Iowa

Leah brings a wealth of experience and expertise to her role at MacuHealth with over 27 years in both optometry and ophthalmology. Her career commenced as a dispensing optician, where she honed her skills in both private and corporate optometry settings. Throughout the years, Leah's dedication and drive propelled her through various roles and responsibilities with esteemed companies such as Safilo, Hoya, BioTissue, and most recently, MacuLogix. Leah's professional journey has been marked by a steadfast commitment to the field, as well as a passion for advancing knowledge and innovation in nutrition, diagnostics, and treatment for ocular diseases. Her diverse experiences have equipped her with a deep understanding of the intricacies of eye care, allowing her to make meaningful contributions to the industry.

Ana de Lorme

Supplement Sales Specialist —
Colorado, Laramie County Wyoming

Ana comes to MacuHealth with a diverse professional background including years spent as an opera singer, ballroom dance instructor, martial artist, small business owner, and wine professional; an industry in which she spent 15 years as an educator and successful sales representative and manager. Ana has turned her passion for improving people's overall enjoyment of life to the health field. With a firm commitment to consistently providing the highest quality in personalized service, she is dedicated to educating physicians and patients on the value of the life changing natural solutions to health issues that MacuHealth products provide.

Elena Hoffschneider

Supplement Sales Specialist —
Tennessee, Alabama, Mississippi, Louisiana

Elena is a sales specialist for MacuHealth in Tennessee, Alabama, Mississippi and Louisiana. Her passion is connecting physicians to the latest medical and nutritional innovations and showing them how they add value and benefit their practice. She received her bachelor's degree from Belmont University in Business Management and currently resides in Nashville, TN.

McKenna Coughlin

Supplement Sales Specialist —
Northeast & South Florida

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.

Aaron Roth

Supplement Sales Specialist —
Washington, North Idaho, Montana

Aaron is a sales specialist for MacuHealth, covering Washington, Northern Idaho and Montana. He was born in Minnesota and graduated with a marketing degree from the University of Minnesota-Duluth. Throughout his 8 year sales career, he developed a passion for optometry and helping patients see brilliantly. What drives Aaron is his ability to help optometrists provide a tailored, best-in-class experience for each patient that walks through the door. In his free time he can be found on a golf course or spending time with his family.

Hayley Stephens

Supplement Sales Specialist —
Oregon, South 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.