Hi, I’m Dr. Mark Heyman!

As a diabetes psychologist and someone who’s lived with T1D for 20+ years, I get the struggle of living with T1D – both personally and professionally. My strategies and tools have helped countless people get unstuck with T1D, and I want to share them with you.

I understand how important the mental health needs of people with T1D are, and I also know these needs often get put on the backburner. When I was diagnosed with T1D in 1999, I was frustrated there were no resources to help me navigate the emotional challenges of living with T1D. Now that I’m a diabetes psychologist and Certified Diabetes Care and Education Specialist (CDCES), I want to make sure everyone with T1D has the support they need to live a full life without letting T1D get in the way.

On a personal note, I live in San Diego with my wife, Gayle, and our daughter Hannah. I love being active and spending time near the ocean, cooking (and eating) great food, and roasting coffee.


The Diabetes Psychologist is a website dedicated to helping you live a full life, without letting T1D get in the way. Our mission is to give you all the resources, tools, and support you need to deal with the emotional side of T1D, so you can focus on the things that are really important to you.

Here’s a quick overview of what you’ll find on this site:


Learn all about the link between type 1 diabetes and your mental health. T1D is challenging and can bring up some difficult emotions – something we just don’t talk enough about. Here, you’ll find honest, straight talk and helpful information, taking the mystery out of the emotional side of T1D.


Managing with the stress of T1D doesn’t have to be complicated. Find simple, effective strategies you can use to deal with all the tough stuff T1D throws your way. You can use these evidence-based strategies anytime.


Need some extra support with your T1D-related mental health, or are you ready to take your mental health to the next level? Find all the resources you need when you need that extra boost. Whether you’re looking for professional support, want guidance on using newest technology while staying mentally healthy, or are searching for tips on how to achieve your biggest dreams without letting diabetes get in the way, we got you covered!


The best way to stay in touch is with my FREE email newsletter.This newsletter will give you tools and resources managing your mental health with T1D as well as links to my latest blogs and podcast episodes. When you sign up, I’ll send you The Ultimate Guide for Getting Unstuck with T1D as a free gift. You can also reach out anytime on Instagram or by email. I can’t wait to hear from you!