Nevada Nurses Foundation

Developing Quality Health Care for Nevada Citizens by Promoting The Development of Professional Nursing


NNF Board of Directors

Chief Executive Officer:
Chief Financial Officer,
NNA/NNF Liaison:
NNF Director,
Community Outreach Coordinator:
(Las Vegas)
Sandra M. Olguin, DNP, MSN, RN received her Bachelor and Master’s in Science degree in Nursing from Orvis School of Nursing (OSN) at the University of Nevada, Reno and Doctor of Nursing Practice from Touro University Nevada and works at OSN as an Assistant Professor. She has held several positions as a staff nurse, nurse leader and nurse educator. She is a member of Sigma Theta Tau, Phi Kappa Phi, Nevada Nurses Association, and American Nurses Association. As a member of the Nevada State Collaborative against Workplace Incivility and Bullying, she travels throughout Nevada to provide FREE trainings to Health Care Organizations. She has lived in the Reno, Nevada area for 25 years.
Denise Ogletree McGuinn, APRN, RN, D. Minn. has extensive nursing and healthcare experience, including over 20 years as a military officer. She holds several degrees from numerous universities including the Walter Reed Army Institute of Nursing and has been a nursing professor. She is a co-founder of both a nonprofit mobile and stationary children’s clinics and currently works as a Pediatric Nurse Practitioner at St. Rose Pediatric Clinic in Henderson, Nevada.
Glenn Hagerstrom PhD, APRN, FNP-BC, CNE is originally from Orlando, Florida, where he worked as a staff nurse in various Medical Surgical areas. After earning his MSN, he relocated to Atlanta, Georgia, and worked as a Family Nurse Practitioner while working on his doctoral degree in nursing at Georgia State University. He also started teaching online RN-BSN students at the University of Central Florida, and commuted between Atlanta and Orlando for 6 years. In 2007, he accepted a teaching position at the University of Nevada, Reno where he continues to work today. He became the Treasurer of the Nu Iota chapter of Sigma Theta Tau International in 2007 and still serves in that role. He has been the Treasurer of Nevada Nurses Association, District 1 since 2013. “I truly enjoy living and working in Northern Nevada.”
Heidi Johnston, DNP, RN, CNE has taught at Great Basin College in Elko, Nevada, since 2008. She teaches in GBC's online RN-BSN program and in the Associate of Applied Science program. Heidi is an active member of the NNA and helped to form the Rural and Frontier Nursing Committee which is committed to serving nurses in rural Nevada with the goal of improving health outcomes in the rural population.
Dave Tyrell, RN has been a nurse with University Medical Center in Las Vegas since October of 2006. He started working as a new grad in Med/Surg then moved to IMC in 2008. In August of 2010, Dave was promoted to clinical manager of IMC. Before becoming a nurse, Dave held management/leadership positions with several private companies. Dave received a Bachelor of Science degree from UNLV School of Nursing in 2006. He is an active member of the Nevada Nurses Association and has served as the President of the Southern Nevada District 3. He enjoys photography and has recently rediscovered running for exercise. Born and raised in New Jersey, Dave moved to Las Vegas Nevada in 1995. Dave is married to Lynn Comis Tyrell and the proud father of four daughters, Andrea, Nicole, Lee and Jordan.
Karen Bearer, MA Ed, BSN, RN is a full-time faculty member at College of Southern Nevada (CSN). She is an active faculty advisor to CSN-SNA and helped the school pass its first resolution at the NSNA national convention. She is also an active member of NNA and AACN. Karen continues to work part-time as an ICU float pool nurse at Dignity Health in Las Vegas and is currently enrolled at Grand Canyon University for her MSN with an emphasis in Healthcare Informatics. A native of Ohio, she is a proud previous employee of the Cleveland Clinic where she worked in cardiac Step Down and CCU. She has a degree in Sports Medicine from Waynesburg College and received her Master's in Education from Walsh University.

Board of Directors Founding Members

Margaret Curley, RN, BSN
  • NNA/NNF Liaison
  • Endowed Nursing Scholarship
Betty Razor, BSN, RN, CWOCN
  • NNF Treasurer
  • Advisory Board Member
  • Scholarship Sponsor