About Our Staff

Nutrition Staff At NewYork-Presbyterian Ambulatory Care Network

katz-feigenbaum-debra.jpgDebra Katz-Feigenbaum, MPH, RD, CDN

Ambulatory Care Nutrition Manager

Debra Katz-Feigenbaum manages all aspects of ambulatory care nutrition for the NY Presbyterian Ambulatory Care Network at Weill Cornell. She successfully builds high performance people teams and motivates to integrate the clinical, administrative and business perspectives for the good of each patient. Debra received a BS (Hons) in Physiology and Medical Biochemistry from the University of Cape Town. She did research at the Albert Einstein College of Medicine before entering the field of clinical nutrition. As a Registered Dietitian, with a MPH from Columbia University, she has extensive healthcare leadership experience successfully working with Registered Dietitians and other providers at all levels of integrated networks. Before coming to NYP, Debra was able to streamline processes, enhance efficiencies, increase patient satisfaction and improve clinical outcomes at Montefiore Medical Center, as the Director of Clinical Nutrition; Beth Abraham Family of Health Services, as the Director of Food and Nutrition Services and at AMC Health as the VP of Account Management. Debra uses a 'win-win' approach to develop and foster relationships with other providers in order to promote clinical nutrition as a key and pivotal part of all inter-professional disciplinary care processes. She was the recipient of NY Presbyterian Ambulatory Care Network Leadership Award at Weill Cornell in 2013.

serkes-lauren.jpgLauren Serkes, RD, CDN

Supervisor Clinical Nutrition

Lauren Serkes is a Clinical Nutritionist in the Ambulatory Care Network. She works with prenatal, pediatric and adult patients. Lauren has a B.S. in Dietetics from University of Maryland-College Park and completed her Dietetic Internship at the Bronx Veterans Affairs Medical Center and M.S. in Clinical Nutrition from New York University in 2009. Lauren obtained a board certification in gerontological nutrition while working in long-term care, but is currently very interested in maternal and infant nutrition. In her free time, Lauren enjoys running, biking, reading and enjoying NYC's vast restaurant scene.


nutrition-placeholder.jpgNancy Addison, MPH, RD, CDN, CSG

Clinical Nutritionist

Nancy Addison is a Registered Dietitian and Board Certified Specialist in Gerontological Nutrition. In her current position as a Clinical Nutritionist at New York Presbyterian Hospital, Nancy provides outpatient nutrition counseling in the areas of weight management, diabetes, gerontology, pre-natal care, pediatric nutrition, hypercholesterolemia, and more. Nancy graduated from Hunter College with a bachelors degree in Nutrition and Food Science and a masters degree in Public Health.

altman-kim.jpgKimberly Altman, MS, RD, CDN, CSP

Clinical Nutritionist





deshazo-jessica.jpgJessica DeShazo, MS, RD, CDN, CDE

Clinical Nutritionist

Jessica DeShazo is a Senior Clinical Nutritionist and Registered Dietitian as well as a Certified Diabetes Educator that has spent the past three years working for the Ambulatory Care Network at Columbia. Jessica graduated from Virginia Tech with a Bachelor degree in Human Nutrition, Foods and Exercise. Upon completion of her dietetic internship in Baton Rouge Louisiana, she began working as a clinical dietitian in Washington D.C. and received her Masters of Science in Nutrition with a focus in Community Nutrition from Louisiana Tech University. Jessica provides medical nutrition therapy in a general practice for both adults and children covering a multitude of medical diagnoses and health related issues. These include but are not limited to, weight management, diabetes, cardiovascular disease, obstetrics, food allergies and intolerances, renal disease, GI disorders and oncology. She works to incorporate balance and moderation into her nutrition therapy to help the patient succeed. In her spare time Jessica is an avid cyclist and also loves international travel.

nutrition-placeholder.jpgJennifer Fishman, MS, RD, CDN

Clinical Nutritionist

Jennifer Fishman is a Clinical Nutritionist. She joined NewYork-Presbyterian in 2013 and specializes in pediatric medicine and critical care. Jennifer earned her Bachelor of Science degree from Penn State University and a Master of Science in clinical nutrition from Hunter College.



nutrition-placeholder.jpgDeborah Gerszberg, RD, CDN, CNSC

Clinical Nutritionist

Deborah Gerszberg received her Bachelors of Science in Nutrition from The Pennsylvania State University in 2007. After completing her dietetic internship at Johns Hopkins Bayview Medical Center in 2008, Deb spent a year working at Valley Hospital before joining the New York Presbyterian team of inpatient dietitians. Since 2012, Deb has been working as a digestive disease outpatient dietitian at the Columbia campus. Her interests include pancreatitis, pancreatic cancer, motility disorders, bacterial overgrowth, and non-alcoholic fatty liver disease. Deb is an active blogger for Columbia Surgery and co-authored a review article on nutrition management for pancreatic surgery in Hepatobiliary Surgery and Nutrition in 2015.

kelly-lauren.jpgLauren Kelly







liss-meredith.jpgMeredith Liss, MA, RD, CDN, CDE

Senior Dietitian

Meredith Liss is a senior level dietitian for the Center for Special Studies, the adult HIV/AIDS program at New York Presbyterian Hospital. She is an integral part of a dynamic healthcare team comprised of physicians, nurses, social workers, psychiatrists, dentists and spiritual counselors. Specializing in the nutrition treatment of people living with HIV/AIDS, Meredith has had the opportunity to be challenged with a wide range of nutrition-related concerns. Energized by working with strong individuals living well with a chronic disease, and responding to the rising rates of Type 2 Diabetes in the HIV/AIDS population, Meredith became a certified diabetes educator. Meredith received a Bachelor's degree in nutrition from Penn State University and completed her dietetic internship at The New York Hospital. Recognizing the vital relationship between nutrition and exercise, she received a Master's Degree in Applied Physiology from Teachers College, Columbia University. Meredith has participated in various nutrition-related research projects and has presented original research at several international conferences. She has published articles in scientific journals, newsletters and various health-related websites.

lorusso-holly.jpgHolly LoRusso, MS, RD, CDE, CDN

Clinical Dietitian

Holly LoRusso is a Registered Dietitian and Certified Diabetes Educator for the Weill Cornell Internal Medicine Associates (WCIMA), Irving Sherwood Wright Center on Aging and Ambulatory Care Network Adult Endocrine practice where she provides nutrition counseling and education to help patients meet their nutritional and health goals. Holly completed her Bachelor's degree in nutrition at the University of Connecticut and Master's in Clinical Nutrition at Boston University. During her Dietetic Internship she completed rotations at Boston Medical Center and the Joslin Diabetes Center, Beth Israel Deaconess Hospital before she joined the Cambridge Eating Disorders Center and served as the lead Dietitian. After moving to New York, Holly worked at the White Plains Hospital Diabetes Education and Treatment Center and as a consultant in private practice for patients with eating disorders. Holly provides nutrition counseling in both individual and group sessions to help address nutrition issues associated with weight management, diabetes, eating disorders and healthy lifestyle eating habits. She is a key member of the inter-professional patient centered medical home and diabetes support teams.

nutrition-placeholder.jpgMary Montgomery, MS, RD, CDN

Clinical Dietitian, Pediatrics

Mary Montgomery is a Registered Dietitian for the NYP Pediatric Neurology Epilepsy, General Pediatric and Health for Life practices. Mary has extensive training and experience managing medical nutrition therapy for Adult and Pediatric Epilepsy Dietary Treatment Programs. She is the co-author of The Ketogenic Diet-Induced Weight Gain with Decreased Energy Consumption (ICAN February 2013) and Enteral and Parenteral Applications of Ketogenic Diet Therapy (ICAN October 2011). At NYP Mary provides medical nutrition therapy and counseling to patients in the General Pediatric Health Practice to children who may be failing to thrive, have abnormal weight gain or are eating disordered. She works with overweight and obese children in the interdisciplinary Health For Life Program working closely with the team in both group and individual settings. In addition to her work in Pediatrics, Mary is collaborating with physicians in the Weill Cornell Memory Disorders Program to help patients incorporate a healthy diet and focus on nutrition. Mary completed her Bachelor's degree in nutrition at The University of Alabama and then went on to complete a Master's in Public Health Nutrition at The University of Tennessee. Mary's primary goal is to work closely with families to develop effective dietary therapies customized to the needs of each patient.

nutrition-placeholder.jpgEmily Moore, RD, CDN, CDE

Clinical Nutritionist

Emily Moore is a registered dietitian and a certified diabetes educator. For the last 6 years she has been a Clinical Nutritionist in the Outpatient Oncology Service at New York-Presbyterian Hospital/Columbia University Medical Center. Currently, she primarily focuses on patients who are actively receiving radiation in the Department of Radiation Oncology. Her role includes helping patients and their caregivers cope with the possible side effects of treatment and teaching them how to best alleviate nutrition related symptoms. She aims to make patients' quality of life better by discussing what meals to prepare, how to simplify the meal preparation, and food safety. Her ability to speak English and Spanish is a great asset at this institution, which serves a large Spanish-speaking population.

robinson-shayne.jpgShayne Robinson, RD, CDN, CSO

Clinical Dietitian, Oncology

Shayne Robinson is the Oncology Dietitian in the infusion center and radiation oncology practices of New York Presbyterian's Ambulatory Care Network. Shayne Robinson is a registered dietitian, board certified in oncology nutrition, whom has dedicated her career to educating both the public and health professionals on nutrition through a variety of approaches. She received her bachelors' degree from the University of Maryland at College Park and completed her internship through the New York Institute of Technology. Shayne has worked as an oncology dietitian for 15 years at The Beth Israel Comprehensive Cancer Center, Saint Vincent's Comprehensive Cancer Center and Albany Medical Center. Shayne has been active in the community of dietitians; serving on the board of the Greater New York Dietetic Association, and as a state representative for the Oncology Nutrition Dietetic Practice Group. Shayne has presented multiple lectures to health care professionals and patients on numerous subjects relating to cancer. She has served on the advisory board for a pharmaceutical company, the Standard of Practice Committee for the Oncology Nutrition Dietetic Practice Group and has published articles on macrobiotic diets in the treatment of cancer, glutamine supplements in cancer treatment symptoms, head and neck cancer and living with and eating to fight cancer. In addition to her work at New York Presbyterian, Shayne will continue providing supervision on a clinical trial involving prostate cancer patients at Memorial Sloan Kettering Cancer Center. Shayne is a yogi and completed yoga teacher training in 2005; she enjoys skiing, cooking, running and gardening.

ronco-lisa.jpgLisa Ronco, MS, RD, CDN, CDE

Clinical Nutritionist

Lisa Ronco began her journey into the world of nutrition after 10 years in the garment industry. Knowing she wanted to help people, she volunteered for many years with those living with HIV and found her calling to work with this population. After completing graduate school at New York University, Lisa became a registered dietitian and strengthened her clinical skills in nutrition and nutrition support two NYC hospitals. For the past 10 years, Lisa has had the privilege of working with HIV population. Lisa believes in a Holistic approach to well-being and looks at the person as a whole leading her to study Ayurveda Nutrition and obtain a certification from the American Association of Drugless Practitioners (AADP) as a Holistic Health Counselor (CHHC). Her practice philosophy combines the varying worlds of wellness by integrating traditional Western philosophies with the more modern eastern philosophies on nutrition and wellbeing. Using each of these tools and her exercise background, Lisa assists her patient to achieve optimal health and wellness.

nutrition-placeholder.jpgAllison Salvitti-Nelson, RD, CDN

Clinical Nutritionist

Allison Salvitti-Nelson is completing her Master's Degree in Public Health Nutrition from Hunter College in the spring of 2015. She has a Bachelor of Science in Nutrition Sciences from The Pennsylvania State University and completed her Dietetic Internship with Aramark in Philadelphia. Allison has been a Registered Dietitian with NYP for four and half years. She has transitioned from a position with adults at the Milstein Hospital to pediatrics at CHONY. One and half years ago she transitioned to an outpatient position at the Audubon Practice where she works closely with pediatric and prenatal patients. She has a passion for pediatric nutrition, in particular weight management. She also enjoys helping moms-to-be in choosing foods for a healthy pregnancy.

savva-georgia.jpgGeorgia Savva, MS, RD, CDN

Clinical Dietitian

Georgia Savva is a registered dietitian with the Center for Advanced Digestive Care, dedicated to pediatric GI patients. Georgia received her Bachelor of Science in psychology at George Washington University before combining her passion for people and interest in food to earn a Master of Science in Nutrition and Dietetics at New York University. After completing the NewYork-Presbyterian Dietetic Internship and Fellowship in Pediatric Nutrition at NYP's Morgan Stanley Children's Hospital, she stayed on there, building clinical expertise for multiple years before joining the Phyllis and David Komansky Center for Children's Health at NYP/Weill Cornell Medical Center.

staub-danielle.jpgDanielle Staub







sussi-shira.jpgShira Sussi, MS, RD, CDN

Clinical Dietitian

Shira Sussi received her Bachelor of Arts degree in journalism from the University of Wisconsin-Madison and a Master of Science degree in nutrition and dietetics from New York University. She completed her dietetic internship at NewYork-Presbyterian Hospital in 2015. She covers a Medical/Surgery unit at NYP/LMH and has special interests in pediatric nutrition, obstetrics, diabetes and gastrointestinal diseases.



toledano-sabrina.jpgSabrina Toledano, RD, CDN, CSO

Clinical Nutritionist

Sabrina Toledano graduated from Syracuse University in 2009 and completed her dietetic internship through NewYork-Presbyterian in 2010. Sabrina has worked at Columbia NewYork-Presbyterian since 2010 and specializes in surgical oncology. She is a board certified specialist in oncology nutrition and currently in graduate school working towards a masters degree in clinical nutrition. Sabrina won RD of the year in 2014.


tomilowicz-lynn.jpgLynn Tomilowicz, MS, RD, CDN

Clinical Nutritionist

Lynn Tomilowicz has been working in the field as a registered dietitian for over 17 years. She has been employed in a variety of settings, including community, outpatient clinical, long-term care, acute rehab, sub-acute rehab, fitness, and wellness. Ms. Tomilowicz has participated in a variety of media opportunities, including an interview with Channel 7's Dr. Jay Adlersberg, "Which is better, butter or margarine?" She upholds the professional philosophy that nutrition care is at the heart of good health for all populations.


nutrition-placeholder.jpgJaimie Uva, RD, CDN

Clinical Dietitian

Jaimie Uva started her nutrition career part time at New York Presbyterian Hospital Weill Cornell Medical Center. As a Registered Dietitian she collaborated with health care professionals to assess and counsel hospitalized patients with a variety of medical needs. At the same time she was working at the Rockefeller University Hospital in nutrition research studies in addition to helping to monitor patient satisfaction and quality assurance. For the past 11 years, Jaimie has been working at the Chelsea outpatient practice for the New York Presbyterian Hospital Center for Special Studies. Jaimie collaborates in a multi-disciplinary team to assess and nutritionally counsel patients living with HIV and AIDS. Jaimie is a member of the Sports Cardiovascular and Wellness Nutrition Practice and Food and Culinary Professionals Practice Groups of the Academy of Nutrition and Dietetics. She has worked in collaboration with both personal trainers and chefs to promote meal planning for active lifestyles and gluten free diets. Jaimie's nutrition, exercise and food savvy charm motivate her patients with each interaction. She sets an example by the way she lives her own life. Active by nature and compelled by results she makes healthy eating and exercise a priority.

weinstein-alexandra.jpgAlexandra Weinstein, RD, CDN

Clinical Dietitian

Alexandra Weinstein is a Registered Dietitian specifically devoted to medical nutrition therapy in the Center for Advanced Digestive Care. After graduating from New York University Alex went on to complete her Dietetic Internship at Brigham and Women's Hospital in Boston. Prior to joining NYP, Alex provided medical nutrition therapy for Liver and Kidney Transplant, Gastrointestinal Disorders, Hepatobiliary Medicine and General Surgery patients at NYU Medical Center. Alex provides medical nutrition therapy in both individual visits and group counseling sessions to help address nutritional issues associated with acute and chronic gastrointestinal diseases, side effects of cancer treatments and weight management, wound healing, digestive challenges and anatomical changes associated with surgery. Alex utilizes a multidisciplinary and collaborative approach working closely with GI medical and surgical physicians, social workers and case management. Alex is an advocate and proponent of nutrition intervention for IBS and Celiac Disease patients.