About Us

Our mission is to connect the Pyruvate Kinase Deficiency community through treatment support, increased social awareness, and advocacy. 

The Thrive with Pyruvate Kinase Deficiency Organization was created to fill a gap within the PK deficiency community to unite patients and caregivers with various backgrounds to share, in confidentiality, about each other’s health history and to alleviate the isolation of living with a rare disease. This communication helps to console, empower, and customize each person’s treatment journey and lived experience.

There are many reputable resources and websites about PK deficiency, and we intend to promote their good work. At the same time, advancements in health technology and increased acceptance of alternative medicine have brought about better tools and guidelines for managing patient’s hemoglobin, iron overload, and symptoms. Several future options are underway, including a medication that activates the pyruvate kinase enzyme activity and gene therapy that may serve as a cure.

While promising, we recognize these discoveries will increase patient options for treatment and intend to serve as an objective educator and supporter of informed decision making. Our goal is to provide support by helping patients and caregivers become stronger advocates with their healthcare team, given all the treatment options and related costs.

We will do this by:
  • Connecting the PKD community with treatment information, research, and support
  • Increasing awareness of PK deficiency by using social media, with the goal of finding more people touched by PK deficiency
  • Providing community informed advocacy of PK deficiency to key stakeholders

Please join us on our journey to connect an already blooming community with the resources that will support the needs of everyone within the Pyruvate Kinase Deficiency.


Board of Directors

Becky Herzog / Patient & Caregiver Outreach Director

I’m a Montanan mom to my daughter who has PKD. Her PKD has been diagnosed on the more severe side. By the age of 5 years, she had 70 transfusions, 9 MRIs, 4 echos and 2 portacaths. I have a great working relationship with my daughter’s hematologist. I was on a PKD board during the DC meeting with the FDA and am in multiple groups advocating for my daughter’s young voice. My main goal is to help new PKD Caregivers understand and communicate for their littles.

Carl Lander / International Collaboration Director

I am UK based and having being diagnosed with PK deficiency at the age of four I have experienced a wide range of interventions over the years. I am passionate about making the lived experience for people PK deficiency and their carers. I am looking to help deliver the most effective use of both funding and knowledge to produce resources to help better understand the disease process and the impacts it has upon us all. I am really excited to take this first step in our international collaboration plans.

Conor Stoebner / Treasurer

I’m a Minnesota native with a background in accounting and finance. Although I don’t have PKD myself, my aunt, Tamara Schryver, who does have PKD, asked me to lend a hand to the organization. I believe strongly in the mission of Thrive with PKD to inform and advocate for those with PKD, and it is my pleasure to serve as its treasurer.

Jill Holterhaus / Brand Director

I am a Best Friend, Supporter, and Ally. I am part of this organization because I want to support my best friend and her cause, through dedicating my creative superpowers in any way possible. I hope to bring graphic design, branding, and endless creative energy to the P.K.D. table in anyway needed.

Tamara Schryver / President

I’m a Mom, Nutrition Scientist, and documentary junkie who also happens to have P.K. deficiency. I was diagnosed at age 6 and live the full gambit of the disease. My goal is to help people affected by PK deficiency to find each other and eventually connect in person to alleviate the feeling of isolation. I believe everyone deserves personalized, up-to-date treatment no matter their social status or geography.

Tess Johnsen / Creative Communications Director

I’m a Minnesotan with uncommonly mild PKD here to use my energy to continue the work of connecting our rare community online. My education and professional experience has been focused on communications, social sciences, creative small business, and homemaking. I am artistic, culturally inclusive, an LGBTQIA+ Ally, and a cat mom.


An incredible conflict members within our Pyruvate Kinase Deficiency community struggle with is feeling validated. Each person with PKD experiences a wide range of symptoms and challenges. With every individual having their own unique story, we find it difficult to feel heard within an already rare community. Click on the Everyone Has A Story button above to listen to one of our stories, via BBC StoryWorks and let us know if you would like to share your own experiences with the community.


We will empower people with PKD to live a more satisfied life. 


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