Meet our esteemed speakers, who will be joining our stage at Gluten Free Expo Calgary 2019! Please note that speakers and presentations are subject to change, so check back frequently!

The Gluten Free Expo would not be possible without the kind support of our sponsors. A special thank you goes to these kind community supporters:

Nadine Grzeskowiak

Nadine Grzeskowiak, RN BSN CEN is a nurse specializing in celiac disease, non-celiac gluten sensitivity and intestinal health. She is an expert consultant, professional speaker, author, podcaster and research enthusiast. After 15 years of nursing experience in emergency, trauma and critical care, Nadine founded three successful independent Nurse owned and operated businesses, RN On Call, Inc., Gluten Free RN and Celiac Nurse Consulting in February 2007.

Nadine has delivered numerous lectures and seminars internationally, consults with individuals and families, has written Dough Nation: A Nurse’s Memoir of Celiac Disease from Missed Diagnosis to Food and Health Activism and is co-authoring a textbook on celiac disease. Nadine also leads international gluten free and Paleo travel groups.  

Nadine enjoys spending time with her family, friends, knitting, hiking, mountain climbing, reading, cooking and eating excellent meals and traveling all over the world.

       Visit Nadine’s Website

Shelley Case, RD

A leading international expert on the gluten-free diet, Shelley is a registered dietitian, author, speaker and consultant with more than 35 years’ experience. She is a member of the Medical Advisory Board of the Celiac Disease Foundation and the Canadian Celiac Association’s Professional Advisory Council.

Shelley is a sought-after media source, conducting hundreds of radio, television, newspaper and magazine interviews throughout North America such as the NBC Today Show, CNN, CBC, CTV, Global TV, Wall Street Journal, WebMD, National Post, Globe and Mail, Food Business News, Chatelaine and Canadian Living.

As a popular speaker, she delivers numerous presentations at medical, nutrition, celiac and food industry conferences throughout North America.  Shelley’s best-selling book Gluten Free: The Definitive Resource Guide is highly recommended by health professionals, celiac organizations, consumers, the food industry and media.

In recognition of Shelley’s major contributions to the field of celiac disease and dedication to educating health professionals and individuals with celiac disease and gluten sensitivity, she was awarded the Queen Elizabeth Golden Jubilee Medal.

In addition to her food and nutrition expertise, Shelley has celiac disease and understands the challenges of following a strict gluten-free diet for life. Shelley and her family live in Calgary, Alberta.

       Visit Shelley’s Website | Gluten Free: The Definite Resource Guide Facebook

Marcia Bruce

Marcia Bruce is a local blogger who is passionate about raising awareness of celiac disease and supporting gluten free businesses that make the lives of people with celiac disease better.

Marcia and her husband were both diagnosed with celiac disease within months of each other after being married for almost 20 years! Together they have three children. Marcia is also on the Board of Directors for the Calgary Chapter of the Canadian Celiac Association where she hopes to make an impact to the celiac community. More information on Marcia and her family’s gluten free journey can be found at

Visit Marcia’s Website | Facebook

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