Meet Our Team
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Sean McCallister, MHPA
CHIEF EXECUTIVE OFFICER
Sean has more than 20 years healthcare leadership experience primarily dedicated to rural communities in Alaska, Idaho, and Wyoming. While he currently calls central Idaho home, he grew up in Casper and loves serving in the great state of Wyoming.
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Ben Scott, CPA, MHA
CHIEF FINANCIAL & OPERATIONS OFFICER
Ben holds a master’s degree in healthcare administration and has served in healthcare finance in a variety of roles since 1994. He is highly supportive of serving the mission to provide quality health care close to home. He enjoys the outdoors and spending time with family in Oklahoma and Texas.
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Kerry George, RN
CHIEF NURSING OFFICER
With more than 30 years of healthcare experience, Kerry’s career has taken her from bedside nursing to healthcare administration, always with a focus on serving small-town and rural communities. She looks forward to connecting with others who share a commitment to building a healthier, stronger community.
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Parker Dennison, MHA
ADMINISTRATIVE FELLOW
Parker completed his Master of Healthcare Administration while supporting the planning and operations of the new hospital. A recent Wyoming transplant, he and his family are excited to call Riverton home and to build the future of local healthcare.
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Peter McCullough, MD
FAMILY MEDICINE/OB PHYSICIAN
With full-spectrum rural training and advanced obstetrical experience, Dr. Peter McCullough completed his residency at Via Christi Family Medicine in Wichita, Kansas. A graduate of the University of Washington School of Medicine’s Wyoming TRUST pathway, he has deep Wyoming roots and has returned to Riverton to serve local families at RiverPeak Health.
Board of Trustees
RiverPeak Health is locally owned and governed, guided by a Board of Trustees deeply invested in the health of our community. Their leadership and experience are helping shape the future of healthcare for Fremont County families.