US Staff

Our US Staff has the pleasure of working with our volunteers and donors to ensure the operations and programs of CHI continue.

Annie Vander Werff

Executive Director

Annie Vander Werff is the Executive Director of the Community Health Initiative, Haiti. She holds a Master’s degree in Community Health Education and a Certificate in Global Health & Health Disparities. She has led multiple community and public health development teams across the United States, Mexico, Africa and Haiti. She led a multi-million dollar organization through a massive marketing and re-branding campaign (and lived to tell about it!). She boasts a love for teaching students, learning from older adults and traveling. She desires to better understand the way people “do life” and has a passion for empowering others. Annie has a strong and on-going desire to learn, grow and be challenged - all while seeking to make a difference in the life of another. She is an author. An award winner. A Connector. A Creative. A wife and a mother of two. A marathon finisher and tri-athlete.

Theresa Rager

Marketing & Communications Coordinator

Theresa Rager holds a Bachelor of Science in Biology. She is currently working toward her Master's in Global Health at the University of Notre Dame. Previously, Theresa had worked for an international development nonprofit as a research and communications intern. Theresa was connected to CHI after she traveled to Léogâne, Haiti with another organization. She is passionate about CHI because of their long-standing partnerships and commitment to accompanying our Haitian friends in realizing their goals for their own communities.

Stephanie Coffey


Stephanie Coffey has her degree in Accounting and Human Physiology from the University of Iowa. She lives in North Liberty, Iowa with her husband, son, and fur child. Stephanie enjoys spending time outside hiking and going on walks with her family. She is an avid endurance junkie and you can usually find her out running or biking for hours. She enjoys volunteering and has a keen interest in helping people live healthier lives. She is excited to share her passion for helping people with the CHI community.

Sarah Gale

Clinic Volunteer Coordinator

Before joining CHI, Sarah spent 10 years working in medically-underserved communities as a behavioral health therapist. Over the past 5 years, she has transitioned to research and clinical medicine where she has had the opportunity to conduct research trials for patients with rare pulmonary and neuromuscular diseases. When she is not working, she enjoys hiking, yoga, and rock climbing. She looks forward to working closely with our Haitian and US-based team to support CHI Haiti’s mission to work in solidarity with the communities we partner with.