Our Team


Tonja Werkman, MS, RDN

President of Nutrition Link

Tonja Werkman, MS, RDN is the President of Nutrition Link, which began outpatient services in July of 2018.

Nutrition Link is a division of Pinnacle Dietary, where Tonja has worked since 2008. She was promoted 1 year later to the role of Director of Clinical Services.

In 2014 she was promoted to Vice President of Clinical Operations. Tonja further expanded her role in 2016, becoming the Vice President of Support Services in addition to her position as the Vice President of Clinical Operations. This role encompasses all the clinical services and provides support for the foodservice operations and the financial aspects of the business.

Tonja received her Bachelor’s degree from the University of Delaware in Nutrition and Dietetics with a concentration in fitness. She interned and received her Master’s degree from Marywood University, where she majored in Sports Nutrition and Nutrition Education.

She is an Adjunct Professor at Kean University and Ocean County College. Tonja serves as a member of the Academic Advisory Committee at Ocean County College and is an Ambassador for licensure for the New Jersey Dietetic Association.


Annette O’Neill, RDN

Director of Outpatient Services

Annette O’Neill, RDN is a Registered Dietitian/Nutritionist and Director of Outpatient Services for Nutrition Link Services, LLC, a division of Pinnacle Dietary, where she has worked for over five years.

She is a New York City native currently residing in Flemington, NJ. A graduate of the University of Medicine and Dentistry of New Jersey, she holds a Bachelor of Science in Health Sciences; cum laude. She completed her Dietetic Residency at Robert Wood Johnson University Hospital in New Jersey where she worked for over seven years. Annette is a member of the Academy of Nutrition and Dietetics, the American Diabetes Association, and earned a certificate of specialization in obesity interventions for children and adults. Her additional qualifications include specialization in Bariatric, Cardiac Health, Diabetes, and Medical Nutrition Therapy. Annette also provides corporate wellness presentations in all aspects of nutrition and health.

Since 2013, she has worked in doctors’ offices for outpatients in areas of all disease states, including but not limited to digestive disorders, thyroid disorders, high cholesterol, hypertension, cancer, kidney disease, PCOS, eating disorders, and child obesity. Drawing on this knowledge, Annette helps clients create a completely customized “Healthy Lifestyle Plan” that suits their individual goals of physical and emotional well-being. Aside from work, Annette enjoys nature walks with her Goldendoodle, cooking, reading, and researching the latest in nutrition science.


Roel Lopez, CDM, DTR

Director of Culinary Operations

Roel Lopez, CDM, DTR graduated from the University of the East in the Philippines in 1991 with a major in Hotel and Restaurant Management. He also holds an Associate’s degree in Culinary Arts from the French Culinary Institute. Roel is a member of the NY-NJ Bartender Association and Dietary Manager Association.

Roel joined Pinnacle Dietary in 2010 as the Corporate Executive Chef. As the Corporate Executive Chef, he implemented 3 specialty programs: the Puree Program, Indian Program, and Spanish Program. Roel also implemented a quarterly culinary clinic open to Pinnacle Dietary cooks. Most of Roel’s time was spent on menus, recipes, catering and training. He also provided support as an interim Director of Dining Services at several accounts, all of which achieved deficiency free surveys under his leadership.

Roel was the interim Executive Chef at Merwick Care for 8 months and was shortly thereafter promoted to Regional Manager. In November of 2014, he was promoted to Director of Operations. His current focus is Kitchen Decentralization. In late 2017, he shifted into a more specialized role, Director of Culinary Operations, where he can focus more of his time on the culinary part of operations he’s so passionate about.

Roel actively volunteers at the soup kitchen of St. Henry’s Church in Bayonne, NJ during holidays.


Farah Khan, MS, RDN

Director of Corporate Wellness

Farah Z. Khan, MS RD is a Registered Dietitian with a Masters in Food and Nutrition, and Fine Art. She has several years of experience working in the field of nutrition, health and wellness – both as a clinical dietitian and in corporate wellness and counseling. Farah is currently an outpatient dietitian with Nutrition Link Services, and provides nutrition counseling and medical nutrition therapy for a variety of issues including cardiovascular disease, hypertension, diabetes, weight management, gastrointestinal disorders, and kidney disease. She is also a clinical dietitian with Pinnacle Dietary, and provides medical nutrition therapy for patients at various nursing homes and rehabilitation facilities in New York and occasionally in New Jersey. Farah also teaches undergraduate and graduate courses in Nutrition at Long Island University in Brooklyn, and maintains a private practice providing nutrition counseling and weight management services for residents in New York City. She is an active member of both the Academy of Nutrition and Dietetics (AND) and the International Society of Sports Nutrition (ISSN) and remains dedicated to staying up-to-date with current research in the field of nutrition. Prior to becoming a Registered Dietitian, Farah worked as an IT Consultant in New York, Washington DC and Columbus Ohio, and when she’s not working or teaching, she enjoys running, cooking, spending time with her friends and family, or entertaining her adorable pup!

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