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Our Educators

Experts in Pain Management

W. Keith Barnhill

PhD, CRNA, ARNP

Dr. Barnhill has practiced pain management and nurse anesthesiology for over 30 years. He received his Master’s in Health Science from the Texas Wesleyan/U.S. Army Graduate Program in Anesthesia Nursing 6F-66F and earned his Doctorate in Nursing Education from Capella University. His primary work is clinical pain management and pain education since 2001. He has published in the AANA Journal, Journal of Nursing, and authored several clinical practice and education programs on fluoroscopic radiation safety and Nonsurgical Pain Management (NSPM).

  • Adjunct Clinical Faculty and Clinical Site for NSPM Fellowship
  • Owner Premier Pain Management Externship in NSPM
  • AANA Subject Matter Expert as part of CMS Multi-Jurisdictional Contractor Advisory
  • Committees (CAC)
  • Member of the Iowa Board of Nursing Advanced Practice Committee
  • Diagnosis and Management for Chronic Pain-Related Disorders
  • Pharmacological and Non-Pharmacological Pain Management
  • Fluoroscopic-Guided Regional and Spinal Interventions

Lisa Pearson

DNAP, CRNA NSPM-C, DAAPM

Lisa Pearson is a renowned authority in pain management and anesthesia, boasting over 30 years of diverse experience. 

As the owner of Arcanum Medical Spa, the Center for Regenerative Medicine, and Metamorphosis Pain Management, she leads with a commitment to excellence, driving innovative treatments in aesthetics, wellness, pain management, and regenerative therapies. 

Her extensive background, enriched by military service and anesthesia care across various settings, underscores her significant contributions to clinical practice, academic leadership, and cutting-edge research. 

Lisa’s pioneering work in interventional pain management and medical education has established new benchmarks in patient care and professional training, making her a sought-after expert in her field.

Jonathan Kline

MNSA, CRNA

Jonathan Kline, MNSA, CRNA, is currently the Director of Education at Twin Oaks Anesthesia. Since completion of the Master’s program from the University of Alabama at Birmingham in 2003, he has published 18 peer-reviewed articles in various anesthesia journals. Together with his wife, Dr. Deanna Kline, CRNA, Kline created and currently presents, six ultrasound guided specialized programs relating to a multitude of ultrasound techniques and strategies for anesthesia in acute care providers. As Director of Education at Twin Oaks Anesthesia. He has cultivated numerous ongoing relationships with universities, private entities, industry, VA, and military programs. These relationships have evolved into ongoing service lines that involve specialized training, both on-site and at the Twin Oaks Anesthesia headquarters in Clearwater Florida, located at the newly renovated 100 North building that they own and operate. He is currently a key opinion leader for various industry sectors, including Pacira BioScience, Terason Ultrasound, and SaferSonic. He’s the primary author of a 600-page reference book relating to various aspects of ultrasound and regional anesthesia for anesthesia, pain, and acute care providers. He continues to evolve with co-owner and CEO of Twin Oaks Anesthesia, Deanna Kline, professionally through continued publication, company expansion, and improvement of their specialized conference, and training location.