Melanie Stack
Melanie Stack
President & CEO
Melanie Stack’s professional story is one of brand building and leading great teams to achieve their full potential. She is a seasoned business leader who has run a number of international and US-based businesses across various Retail and Consumer Goods sectors and most importantly in weight management.
She is a passionate advocate of leadership development & coaching and has mentored women in international businesses as well as supporting a number of start-up social enterprises. She has also worked with Young Enterprise in schools and the Working Options charity helping people to make effective career choices.
Her goal as she leads Ideal Protein is to continue to put forward the power and efficacy of the Ideal Protein Protocol and seize every opportunity for growth as healthcare providers and payors gain greater recognition of the impact and cost of obesity to our society.

Dr. Tran Tien Chanh M.D., Ph.D.
Dr. Tran Tien Chanh M.D., Ph.D.
Founder | Executive Medical Board Member
Dr. Tran Tien Chanh is a co-founder of the Ideal Protein Protocol. He started his career as a general practitioner and sports physician, but quickly became interested in nutrition and obesity-related issues. Having concluded that weight loss was essential for treating illnesses such as hypertension and dyslipidemia, Dr. Tran was a driving force in the development of the Ideal Protein Protocol.
An award-winning graduate of the Faculty of Medicine in Paris, Dr. Tran has published several books on diet and weight loss, lectures on weight loss across North America, and is a member of Ideal Protein’s Executive Medical Advisory Board.

michael ciell
michael ciell
Executive Medical Board Member, Senior Science Advisor and Director of the Scientific Support Center
A registered pharmacist for more than 30 years Mr. Ciell joined Ideal Protein's start-up team in 2006 and helped launch the company. In addition to this establishing role, Mr. Ciell serves as both the Senior Science Advisor and Director of the Scientific Support Center for Ideal Protein. Offering online support services for Ideal Protein Clinic Partners, the Scientific Support Center specializes in addressing Patient or Client concerns regarding concurrent disease states and/or any implications to the Protocol with the use of certain prescription medications or OTC supplements.

Frank Douglis M.D.
Frank Douglis M.D.
Executive Medical Board Member | Obesity and Sleep Medicine Specialist
Dr. Douglis is an Ear, Nose and Throat specialist (ENT) and is currently board-certified in Otolaryngology, Sleep medicine, and Obesity medicine. Dr. Douglis has been interested in healthy weight and nutrition and his wife, Julie, has offered the Ideal Protein Protocol in his practice since 2008. His statistical analysis of body composition data for patients on the Ideal Protein Protocol demonstrated significant fat loss while preserving lean body mass.

Cheryl Callan
Cheryl Callan
Chief Customer Officer
Cheryl is a transformational leader with a relentless focus on delivering results. She has over 30 years of experience and in health, wellness, retail, fashion, consumer & pharmaceutical products.
Most recently, Cheryl served as Chief Marketing Officer for two major retailers in the apparel and home décor arena. Notably, she was head of Marketing for Weight Watchers North America for 8 years, where she oversaw the digital transformation of the business and completely reinvented the brand to drive relevance, acquisition and retention.
She is currently Ideal Protein’s Chief Customer Officer (CCO) and loving every minute of it.
Cheryl lives in NYC with her 13-year-old daughter.

Julie Peller
Julie Peller
Chief Operating Officer
Julie is currently the Chief Operating Officer for Ideal Protein and manages Field and Sales Operations in the US and Canada. Julie joined IP in the beginning of 2019 to develop a training and work on other projects to improve the Ideal Protein Customer Experience.
Before joining the IP team, she led sales and operations teams at two other NYC-based companies, FreshDirect and Dia&Co. And before working at FreshDIrect, Julie held several different positions within the field management organization at Weight Watchers. Over her 10 years with the company, she ran retail operations for their more than 3000 locations, developed and delivered training for ~200 field managers and designed and implemented tools and processes for more than 20K front-line service providers.
She lives in Manhattan with her husband Brian and two daughters, Josie and Lila. She has a keen interest in Retail, Weight loss, Consumer and Hospitality Businesses and loves to read and travel.

Maureen Pay
Maureen Pay
presenter
Once described by a client as a, “five-foot force of nature,” Maureen sees herself as a rebel with a cause, an agitator, and a business collaborator. Her passion is to help businesses reach high and get what they want, while navigating with their moral compass.
With over 20 years as a founding Director, and more than 25 years in the industry, she has a proven track record in leadership development and helping companies to deliver real change.
Her goal is to shake up thinking and ensure that the outcome of that change is a robust system of values and mutual respect.

Deirdre Pizzoferrato RDN, CDN
Deirdre Pizzoferrato RDN, CDN
Director of Protocol Innovation
Deirdre is a Registered Dietitian, Certified Dietitian-Nutritionist, obesity researcher and author. A long-time advocate for primary prevention of overweight and obesity, Deirdre has spent most of her 22-year career in the entrepreneurial setting and developing products, programs, and services aimed at curtailing the rise of obesity among individuals, families, and communities. As Director of Protocol Innovation, Deirdre is the lead on oversight and development of the Ideal Protein protocol, and serves as an important liaison between the medical advisory board, clinics, and the customer experience team.

Andrew Leikvoll
Andrew Leikvoll
Regional Vice President - Midwest/Northwest
Andrew has been with Ideal Protein since 2010. He currently serves as a Regional Vice President for the Midwest and is privileged to lead a diverse & talented field team…all committed to impacting the obesity epidemic through inspiration and education.
Andrew has worked alongside a number of our largest health system partners, including Aspirus & Prevea Health, who are also represented on our Medical Advisory Board.
Most rewarding to Andrew is assisting others, whether it be Ideal Protein employees or clinic partners, in helping effect positive change & outcomes in their clinics, patients, and communities.
Andrew, his wife, Jasmine, and two young children reside in MN where he can be found starting most days at Starbucks with a venti royal english breakfast tea.