Residents & Faculty

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  • Faculty

    Leslie Torgerson

    Dr. L. Torgerson graduated medical school in 1991 from the University of Texas HSC – Houston. She completed her AP/CP residency at Tripler Army Medical Center in 1996. Dr. L. Torgerson is board certified in Anatomic and Clinical Pathology. She joined the Penrose-St. Francis group in 2003. She is a member of the Colorado Medical Society and El Paso County Medical Society. Dr. L. Torgerson is the Residency Director for the Penrose-St. Francis Pathology Residency Program.

    Sigurd Torgerson

    Dr. S. Torgerson attended medical school at the University of Iowa and graduated in1993. He did his residency through the Army at Tripler Army Medical Center and Brooke Army Medical Center. He finished his AP/CP residency in 2002. He completed a fellowship in dermatopathology at the University of Texas HSC, Galveston in 2003. He is board certified in AP/CP and dermatopathology. Dr. S. Torgerson joined the Penrose-St. Francis group in 2003. He is a member of both the Colorado Medical Society and El Paso County Medical Society. His current position within the hospital is that of Laboratory Medical Director and Director of Cytology.

    David Newton

    Dr. Newton attended medical school at Loma-Linda University and graduated in 1999. He completed his AP/CP residency at the University of Utah in 2004. His did a hematopathology fellowship at the University of Utah. As of 2005, Dr. Newton is board certified in Anatomic and Clinical Pathology as well as hematopathology. He joined Penrose-St. Francis in 2005. He is a member of both the Colorado Medical Society and El Paso County Medical Society. He currently is the Director of Anatomic Pathology and Director of Autopsy.

    Barrett Lawshe

    Dr. Lawshe graduated medical school at the University of New Mexico in 1981. He completed his AP/CP residency at Penrose-St. Francis in 1985. Dr. Lawshe is board certified in Anatomic and Clinical Pathology as of 1986. He is a member of both the Colorado Medical Society and El Paso County Medical Society.

    Ryan Okal

    Dr. Okal attended Marshall University in West Virginia for his medical school and graduated in 2012. He completed his residency at West Virginia University in 2016 and continued there in a hematopathology fellowship. He is board certified in Anatomic and Clinical Pathology as well as Hematopathology. He is a member of both the Colorado Medical Society and El Paso County Medical Society. He joined Penrose-St. Francis in 2017. His current position here is as Medical Director of Hematology and Coagulation. He is also the Medical Director of Keefe Memorial Hospital.

    Erin Merboth

    DDr. Merboth completed medical school at the University of Nebraska College of Medicine in 2008. She graduated her AP/CP residency here at Penrose-St. Francis in 2012. She did her fellowship at Oregon Health & Science University in hematopathology. She is board certified in Anatomic and Clinical Pathology as well Hematopathology. She is a member of both the Colorado Medical Society and El Paso County Medical Society. She joined Penrose-St. Francis in 2013. Dr. Merboth is the Director of Flow Cytometry and Cytogenetics. She also serves on the Centura Flow Cytometry and Cytogenetics Best Practice Team, Centura Anatomic Pathology Medical Best Practice Team, Centura Network Cancer Committee, Penrose-St. Francis Breast Care Center Leadership Team, Penrose-St. Francis Physician Advisory Board, and Penrose-St. Francis Credentials Committee.

    Derek Seaquist

    Dr. Seaquist attended the Uniformed Services of Health Sciences for his medical school and graduated in 2002. He finished his AP/CP residency at Madigan Army Medical Center in 2007. His completed a fellowship in GI pathology at the University of Arizona in 2014. Dr. Seaquist is board certified in Anatomic and Clinical Pathology. He is a member of both the Colorado Medical Society and El Paso County Medical Society. Dr. Seaquist joined Penrose-St. Francis in 2017. He is currently the Medical Director of Microbiology and he is also the Assistant Program Director for the Pathology Residency Program here at Penrose Hospital.

    Douglas Franquemont

    Dr. Franquemont attended medical school at the University of Colorado and graduated in 1987. He completed his AP/CP residency at the University of Virginia in 1992. Dr. Franquemont is board certified in Anatomic and Clinical Pathology as well as Cytopathology. He is a member of both the Colorado Medical Society and El Paso County Medical Society. Dr. Franquemont joined us here at Penrose-St. Francis in 1994. He is currently the Director of Clinical Chemistry and the Director of Clinical Lab in Castle Rock.

    Daniel C. Mayes

    Dr. Mayes graduated from the Vanderbilt University School of Medicine. He completed his residency at the University of Virginia Health System in Anatomic and Clinical Pathology. He did his dermatopathology fellowship at the University of Virginia Health System. Dr. Mayes is board certified in Anatomic and Clinical Pathology as well as Dermatopathology. He is a member of both the Colorado Medical Society and El Paso County Medical Society. Dr. Mayes joined us here at Penrose-St. Francis in 1991. He is currently the Director of Blood Bank.

    Jerome B. Myers

    Dr. Myers attended Boston University School of Medicine from 1983 to 1990 and graduated as a M.D.,PhD. He completed his residency at Tripler Army Medical Center from 1991 to 1995. He did his hematopathology fellowship at Beth Israel Hospital & Harvard Medical School. Dr. Myers is board certified in Anatomic and Clinical Pathology and hematopathology. He is a member of both the Colorado Medical Society and El Paso County Medical Society. Dr. Myers joined Penrose-St. Francis in 2006. He is a member of the American Society of Hematopathology and United States and Canadian Academy of Pathologists, and the International Academy of Pathologists/ American Society of Hematopathologists. Dr. Myers has had numerous publications, presentations, and abstracts. Currently, he is the Chief of the Medical Staff at Penrose-St. Francis.

  • Past Residents

    • Tania Gorchynsky, Hematopathology (Oregon Health and Science University)
    • Justin Blake Rodman, Gastrointestinal Pathology (The Robert E. Petras Fellowship in GI Pathology, Cleveland, OH) 
    • Kieran Sultan, Gynecologic Pathology (Mt. Sinai, New York, NY) 
    • Kelly Mrachek Neuropathology (University of Virginia) 
    • Beth Settembre, Hematopathology (Indiana University)
    • Steve Jovonovich, Cytopathology (Indiana University) 
    • Nathan Thompson, Hematopathology (University of New Mexico) 
    • Drake Poeschl, Dermatopathology (St. Louis University, St. Louis, MO)
    • Ben Wetzel, Hematopathology (University of New Mexico, Albuquerque, NM)
    • Erin Merboth, Hematopathology (Oregon Health and Sciences University, Portland, OR)
    • Jen Wheeler-Buenger, Transfusion Medicine (University of New Mexico, Albuquerque, NM)
    • Miran Rhee, Surgical Pathology (Mayo Clinic, Rochester, MN), Pediatric Pathology (University of Colorado, Denver, CO)
    • Jacob Sramek, Hematopathology (University of New Mexico, Albuquerque, NM)
    • Joseph White Forensics (Denver Medical Examiner's Office, Denver, CO)
    • Pamela Lyle, Molecular (Vanderbilt University, Nashville, TN), Surgical Pathology (Vanderbilt University, Nashville, TN)
    • Leon Kelly, Forensics (University of Texas Southwestern, Dallas, TX)
    • Tess Karre, Microbiology (Mayo Clinic, Rochester, MN)
    • Issac Grindeland, Gastrointestinal Pathology (Ameripath, Petras, Cleveland, OH)
    • Sara Henry, Hematopathology (Oregon Health & Science University, Portland, OR)
    • Virginia Burdine, Hematopathology (University of Wisconsin, Madison, WI)
    • Tom Steidler, Private Practice (Colorado Springs, CO)
    • Jennifer Stratton, Private Practice (El Paso, TX) 
    • Sara Nash, Gastrointestinal Pathology (Ameripath, Petras, Cleveland, OH)
    • Christopher Montague, Surgical Pathology (Memorial Sloan Kettering, New York, NY)
    • Ronald Harris, Dermatopathology (University of Pennsylvania, Philadelphia, PA)
    • Ronald Slaughter, Surgical Pathology/Cytology (University of Virginia, Charlottesville, VA)
    • Denise Francois, Private Practice (San Antonio, TX)
    • Terry Bruner, Private Practice (Wichita, KS)
    • Kirk Peterson, Private Practice (Twin Falls, ID)
    • Alex Cudkowicz, Private Practice (Cortez, CO)
    • Marlene Maseburg, Private Practice (Denver, CO)
    • Melanie Markarian, Private Practice (Spokane, WA)
    • Leo Hardy, Private Practice (Price, UT)
    • Sheva Khalafbeighi, Dermatopathology (Penn State, Milton S. Hershey Medical Center, Hershey, PA)

    James Atkinson Gastrointestinal Pathology (Ameripath, Cleveland, OH)