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Meet our team

Pediatric gastroentrologist 

Praveen Goday, MD 

Praveen Goday


Dr. Goday is a board certified pediatric gastroenterologist and the Program Director of the Feeding, Swallowing and Nutritional Care Program at Children’s Hospital of Wisconsin. He has a special interest in managing nutritional problems, including failure to thrive, feeding difficulties and nutritional issues associated with cystic fibrosis. In his free time, Dr. Goday enjoys learning from ancient wisdom and reading ancient history, traveling and visiting museums. In addition, Dr. Goday is a big Milwaukee Brewers fan and enjoys cheering on the team with his family.


Karen Zorek, MD

Karen Zorek

Dr. Zorek is a board certified general pediatrician with a special interest and training in growth and nutrition. Dr. Zorek works along side Dr. Goday and the Feeding, Swallowing and Nutritional Care Program team to provide patients and families support through their care. In her free time, Dr. Zorek enjoys traveling with her husband and their three teenage children. They like to participate in outdoor activities such as hiking and biking and spend time with their yorkie-shih tzu named Charlie.


Andrea Begotka, PhD

Andrea Begotka

Dr. Begotka is a psychologist who uses a behavioral and/or cognitive behavioral approach and parent training to help children modify behaviors for better life functioning. Dr. Begotka focuses on addressing the behavioral elements associated with feeding disorders and failure to thrive. Personal fun fact: Dr. Begotka enjoys baking healthy treats, being active, spending time at her cottage up north and cheering her children on at their sporting events.

Alan Silverman, PhD

Alan Silverman

Dr. Silverman is a pediatric psychologist. His areas of interest include failure to thrive, feeding and nutritional disorders. Before Dr. Silverman became a psychologist, he was a waterskiing instructor!

Meghan Wall, PhD

Meghan Wall

Dr. Wall is a board certified behavioral analyst and psychologist. She utilizes behavioral and cognitive behavioral treatments to address a child's feeding disorder. Dr. Wall believes in addressing a child's environment when looking to change feeding behaviors, and as such, will work with the child's primary caregivers in the child's treatment. In her free time, Dr. Wall enjoys cooking, baking and watching Disney movies with her children.

Speech and language pathologists

Joan C Arvedson, PhD, CCC-SLP

Joan Arvedson

Personal fun fact: Since 1973 when I started running in Okinawa, I keep running - who knows if I will ever "get there" as people often ask me.

Mindy Aldinger, MA, CCC-SLP

Minder Aldinger

Mindy is a speech language pathologist whose role is to assess, diagnose and treat children with feeding, swallowing and/or oral motor disorders. Her areas of interest include dysphagia, feeding and swallowing disorders, and oral or motor feeding issues. In her free time she enjoys whole food cooking and trying new recipes, eating at new local restaurants, traveling to places she has never been and playing both co-ed football and softball.

Amy Delaney, PhD, CCC-SLP

Amy Delaney

Dr. Delaney is a speech language pathologist and program specialist for Feeding and Swallowing Research. Dr. Delaney provides support to children who have feeding and swallowing disorders, dysphagia, and oral or motor feeding issues. A fun fact about Dr. Delaney is that photography was her first major in college!

Dorie Mendell, PhD, CCC-SLP

Dorie Mendell

Dr. Mendell is a speech language pathologist who provides services to children with feeding and swallowing disorders.

Arielle Bloom, MA, CCC-SLP

Arielle Bloom

Arielle is a speech language pathologist who supports children with feeding and swallowing disorders. Arielle enjoys positively impacting families' mealtime experiences by advancing children's oral feeding skills. In her free time, Arielle enjoys knitting and crocheting, traveling, and exploring Wisconsin with her husband and toddler.

Registered dietitians

Matthew Edwards, RD, CD, CSP

Matthew Edwards

Matthew is a clinical dietitian and certified specialist in pediatric nutrition. His areas of interest include clinical nutrition, failure to thrive, feeding disorders, obesity and weight loss. A fun fact about Matthew is that he has played soccer since age 4 and continues to play club soccer every summer.

Mary Beth Feuling, CD, CSP, MS, RD

Mary Beth

Mary Beth is an advanced practice dietitian and certified specialist in pediatric nutrition. Her areas of interest include failure to thrive, feeding disorders and nutrition. In addition to loving caring for kids, Mary Beth loves to bake cupcakes and bread, experiment with new recipes, spend time outdoors on her bicycle and spend time with family and friends.

Megan Van Hoorn, CD, CNSC, RD

Megan VanHoon

Megan is a clinical dietitian and certified nutrition support clinician. Her areas of interest include feeding disorders and failure to thrive. In her free time, Megan enjoys spending time outdoors and vegetable gardening.

Registered nurses

Monica Rios, RN

Monica Ross

Monica has been a pediatric nurse for a total of 13 years, with experiences in the ICU, home care, and now the feeding team. Monica feels that the most important part of her job is being able to have a therapeutic relationship with the patients and families she works with and cares for. Monica finds joy in providing support and open communication with patients and families as she works together with the Feeding, Swallowing and Nutritional Program team to address a child's feeding, nutrition and GI needs. In her free time, Monica enjoys reading, spending time with her son, and learning to play the guitar.

Pam Opichka, RN

Pam Opichka

Pam has been a registered nurse at Children's Hospital of Wisconsin for 40 years, and a part of the gastroenterology team for 15 years. As a pediatric nurse clinician, she's available to answer questions about a child's health care and will work with the other team members to ensure your concerns are all addressed regarding feeding, nutrition and other gastroenterology issues. Pam is a huge Green Bay Packers fan and enjoys traveling and spending time with her adult children and grandbaby who live out of state.
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Leaders in research and advocacy

Research and advocacy is integral to what we do. Learn more about the latest work our program is doing to ensure we are providing the best care to our patients and families.