Meet our team

Diabetes and Nutrition Team_2021_web

Care to support your goals

We have a dedicated team that includes dietitians, nurses, and pharmacists (RPh). Our certified diabetes care and education specialists (CDCE) specialize in the care of patients.

Our team also provides diabetic education which includes a wide variety of classes, support groups, and resources specific your needs.

We also work closely with your healthcare provider to best meet your needs. Connect with our team today, to see what we can do for you! 


Connect with our team


Lucy Cole, RD, CDCES, CPT

“My philosophy for health stems from my personal passion to stay active camping, hiking and biking. I strive to assist people to reach their personal goals such as playing with grandchildren, walking or maintaining independence to care for oneself. By eating high quality food and moving more, I believe a healthy mind and body will follow.”

Lucy graduated from Purdue University with a double bachelor’s degree in dietetics and food and nutrition in business. She later earned her Masters’ degree from Purdue in communication focusing on increasing and improving the health care professional’s interaction to improve patient outcome. Her career has allowed her to work with all age groups in the home, the hospital and outpatient environments. She is a certified diabetes and education specialist proficient and certified in continuous subcutaneous insulin infusion systems and continuous glucose monitoring systems. 


Courtney Gambino, RD, CDCES

“Understanding the nutritional value of food and its role in wellness has fueled such growth and passion for me. My goal as a registered dietitian is to share that passion and understanding with my patients so that they might conquer the barriers that are preventing them from living a more fulfilled life.”

Courtney graduated from Central Michigan University with a bachelor’s degree in nutrition and dietetics. She is currently working to complete her master’s degree in nutrition at CMU, while also pursuing certification as a diabetes care and education specialist.

Halley Harmon

Halley Harmon, RD

"As a person living with type 1 diabetes, it has always been my dream to help others with the disease make lifestyle changes and achieve their goals. I am passionate about helping people create habits that not only manage their diabetes, but also promote health and improve their quality of life."

Halley graduated from Michigan State University with a bachelor's degree in dietetics. She is a member of the Academy of Nutrition and Dietetics and the Association of Diabetes Care and Education Specialists. She is pursuing certification as a diabetes care and education specialist.


Jessica Heckman RD, CDCES, CPT

“As a dietitian and diabetes care and education specialist, it is my mission to help patients discover the value in living a healthier lifestyle for disease prevention and treatment. It is such a joy to work alongside people as they transform their lifestyle in a way that provides lasting change to their health and wellbeing. I truly believe that nourishing foods are delicious and healing to the body, mind, and soul.”

Jessica is a registered dietitian, a certified diabetes care and education specialist, and a certified insulin pump trainer. She graduated from Purdue University with a degree in nutrition and dietetics. Jessica is most enthusiastic about helping people with diabetes live well physically, mentally, and emotionally through nutrition, physical activity, and diabetes technology such as insulin pumps and continuous glucose monitors. She also provides medical nutrition therapy for an array of health conditions. 


Holly MacEwen, PharmD, CDCES, CPT, BC-ADM

“My goal as a pharmacist specializing in diabetes is helping providers and patients find medications individualized for them that maximize efficacy. Additionally, I help choose medications that target other disease states, decrease risk of side effects, minimize risk of complications, and reduce cost. Ultimately, I want to help patients to understand their diabetes and provide them with various tools to manage their disease. “

Holly earned a bachelor’s degree in pharmacy from Ferris State university. She completed her CDCES mentorship at Oaklawn Hospital in Marshall. Thereafter, she tested for the national certification board for diabetes educators exam (NCBDE) and earned certified diabetes care and education specialist (CDCES) credential. She is currently a member of the American Association of Diabetes Care and Education Specialists (ADCES) and American Pharmacist Association (APhA).


Nicole Morrissey, RD, CDCES, BC-ADM

“My goal as a dietitian and diabetes care and education specialist is to help people develop a love for nutritious foods prepared at home and to encourage those living with diabetes to understand that while not easy, diabetes can be managed.”

Nicole graduated from the University of Illinois with a bachelor’s in dietetics and Benedictine University with a master’s in nutrition and wellness. She is board certified in advanced diabetes management (BC-ADM) and is a certified diabetes care and education specialist (CDCES). Since starting her career in 2009, Nicole has worked in diabetes. She has published three cookbooks and challenges you to get into the kitchen!


Kerry Tumbleson, RD, CDCES, CPT

“For me, the best part about being a diabetes educator is helping people get to a place they didn’t think was possible with their diabetes management. Having a person say that their quality of life is improved because of better glucose control is the most rewarding part of my job.”

Kerry graduated from Purdue University with a degree in nutrition and dietetics. She has been part of diabetes and nutrition at Spectrum Health Lakeland since 2016. She provides out-patient diabetes education assisting patients with their diets, insulin management and all manner of diabetes related technology including insulin pumps and continuous glucose monitors. She is currently a member of the Association of Diabetes Care & Education Specialists. Kerry also has an exercise science degree from Grand Valley State University and is a certified exercise physiologist with the American College of Sports Medicine. 

Samantha Wright

Samantha Wright, RD

"As a registered dietitian, my goal is to provide individuals with the necessary tools to prevent and treat disease while helping them find joy and balance in food and nutrition. With my passion for overall health and wellness, I believe making small steps can lead to big changes toward a long, healthy, and happy future."

Samantha graduated from Central Michigan University with a bachelor’s degree in Dietetics. She went on to complete a master’s degree in family and consumer sciences with an emphasis in dietetics through Western Michigan University. Samantha is working on pursing her certification as a diabetes care and education specialist.

Continue Watching

Check-up: Understanding prediabetes (Amena Iqbal, MD)

Endocrinologist, Amena Iqbal, MD, discusses preventive measures you can take to lower your risks of developing prediabetes and diabetes.

Physician Video Profile: Amena Iqbal, MD (Endocrinology)

Endocrinologist, Amena Iqbal, MD, specializes in diagnosing and managing a wide range of endocrine disorders.

Check-Up: New Diabetes Technology (Amena Iqbal, MD)

Endocrinologist, Amena Iqbal shares advancements that have been made for diabetes care including continuous glucose monitoring and insulin pumps.

Check-Up: Understanding Diabetes Complications (Amena Iqbal, MD)

Endocrinologist, Amena Iqbal discusses the impact diabetes has on the major organs of the body and the complications it can cause if not properly controlled.

Physician Video Profile: Sharon Rooney-Gandy, DO (Wound Care)

Sharon Rooney-Gandy, DO, helps those with non-healing wounds at Lakeland Wound Center.

Managing Diabetes - It's Not Easy, But It's Worth It

Endocrinologist, Amanda Morris, DO, and our team of certified diabetes educators host an interactive discussion about complications affecting uncontrolled diabetes and how to better manage the disease.

Check-Up: How Sickness Affects Diabetes (Claudia Hanely, RN, CDE)

Claudia Hanley, RN, CDE, explains how being sick can affect your stress level and blood sugar level.

Check-Up: Safe Blood Sugar Levels (Michael Rushlow, RN, CDE)

Michael Rushlow, RN, outlines how diabetes educators use target ranges to help patients gauge their blood sugar levels at various points in the day.

Check-Up: Gestational Diabetes & How to Control It (Benjamin Wood, DO)

BellaNoval Obstetrician and Gynecologist, Ben Wood, DO, explains how Gestational Diabetes impacts a pregnancy, and how diabetes educators can help women create a balanced diet to control their blood sugar level.

Check-Up: Meal Planning for Diabetics (Jessica Heckman, RD)

Lakeland Health Diabetes Educator, Jessica Heckman, RD, CDE, shares tips for meal planning for diabetics.

Lakeland Diabetes and Nutrition is certified by the Association of Diabetes Care & Education Specialists and the Michigan Department of Health and Human Services. 
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