APAO Board of Directors


Colleen Tetzlaff, PA-C


Colleen’s PA career started at the UT MD Anderson Cancer Center where she focused on caring for patients with cancers of the lung and head and neck. While at MD Anderson, Colleen founded and directed the Thoracic Oncology Education Series, served as a clinical preceptor for PA students, and participated in the MD Anderson Ambassador program.

After four years at MD Anderson Cancer Center, Colleen relocated to Philadelphia in 2008 and has worked at the Fox Chase Cancer Center since that time. At Fox Chase, Colleen’s clinical focus is on cancers of the genitourinary tract. Colleen has been active in representing the PA profession at Fox Chase where she is currently serving as the PA representative for the APP Committee. She has also served as Chairperson or the APP Recognition and Professional Development Committee. Colleen has an interest in education serving as a clinical preceptor as well as lecturing on the management of treatment related adverse effects for patients with GU malignancies. She is on the planning committee and is a Walk Ambassador for the Bladder Cancer Advocacy Network (BCAN) Walk to End Bladder Cancer.

When not at work, Colleen loves to spend time with her family, loves gardening, and is an avid Villanova basketball fan.

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Tiffany Marie Statler, DMSc, PA-C 

Tiffany is a Physician Assistant in the Section on Gerontology and Geriatric Medicine at Atrium Health Wake Forest Baptist (formerly Wake Forest Baptist Health).  Tiffany received her undergraduate Bachelor of Science degree in Exercise Physiology and a Nutrition minor from East Carolina University.  She received dual Master of Science in Public Health and Master of Physician Assistant Practice degrees from Campbell University in 2016.  In 2019, she then went on to earn her Doctorate of Medical Science from the University of Lynchburg.  Tiffany originally joined Atrium Health Wake Forest Baptist as an oncology PA in March of 2017.  She transitioned to the section on Gerontology and Geriatric Medicine in April 2020, where she co-founded the Oncology Supportive Care Clinic in September 2020.  Tiffany has spent the past few years researching and evaluating chemotherapy-induced peripheral neuropathy and focusing on the integration of hematology/oncology and palliative medicine.  She has a passion for integrating early palliative care in the management of hematological and oncologic malignancies and researching barriers to palliative care in rural areas and community oncology practice settings.

Tiffany has had the pleasure of serving as Director at Large on the APAO Board of Directors since July 2021. She is eager and would be honored to serve as APAO’s President-Elect for 2022-2023. If elected, Tiffany looks forward to continuing advocacy and inclusion efforts, as well as continuing to grow our committees and the engagement of APAO members.

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 Past President

Bruce Christensen, PA-C

Bruce Christensen graduated from the United States Air Force/University of Nebraska PA Program with a BS in PA Studies in 1992. He went on to graduate with his Masters in PA studies, with a specialization in Oncology in 1997 from the University of Nebraska.  He also received his Doctorate in Health Sciences, with an emphasis in Leadership and Organizational Behavior in 2012 from A.T. Still University. He has served in the military has practiced in many different areas including internal medicine, hematology/oncology, bone marrow transplant and aerospace physiology. Upon retiring from the military  in 2007, he taught in PA education for 6 years.  He returned to clinical practice and joined the Mays Cancer Center, UT Health San Antonio in April 2013, where he is the senior PA and  specializes in malignant hematology. Christensen has also served on the Board of Directors of the Texas Academy of Physician Assistants for 5 years and just finished his year as Immediate Past President.  He is a Distinguished Fellow of the American Academy of Physician Assistants as well. He currently  is a student preceptor and part time Clinical Assistant Professor with the UT Health Science Center San Antonio PA Program.

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Cory Edgar, PA-C 

Cory has practiced in malignant hematology and stem cell transplant since graduation from PA school, working in both large NCI-designated academic centers in Texas and now in a community oncology practice in Florida. Cory currently works in a joint appointment with both academic responsibilities as an Assistant Professor in the PA Program at AdventHealth University and clinical responsibilities in the BMT/Malignant Hematology clinic at AdventHealth Orlando. Cory is passionate about training and mentoring PA students and Pas new to the specialty to the field of oncology. His joint appointment has allowed me the chance to interact with PAs throughout the entirety of their careers. Cory hopes to bring a fresh perspective to the APAO Board representing a spectrum of experiences from academia to clinical practice and from academic centers to community practices.

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Sarah Vitulli, PA-C

Sarah is a graduate of Rutgers University (2010) where she received her undergraduate B.A. degree in Biology with a minor in psychology. She then went on to earn a dual degree, M.S. in Physician Assistant Studies and  B.S. in Health Sciences at Touro College Manhattan (2016).  Sarah also served as her physician assistant class Vice President and also completed additional coursework in a Behavioral Health Program. She has since started her physician assistant career at Weill Cornell Medical Center-New York Presbyterian Hospital on the hematology/oncology inpatient service where she currently works.  

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Jennie Goble, PA-C

Jennie Goble has been a Physician Assistant in the Division of Hematology at Mayo Clinic in Rochester, MN for over 11 years. She is an Instructor in the College of Medicine and has a Master’s degree in Physician Assistant Studies. Jennie has practiced in both the inpatient and hospital outpatient settings. She is passionate about high quality cancer care and education of new providers. She has worked with APAO on conference planning and is dedicated to becoming more involved in the organization.

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Kerri Ann Rall, MPAS, EdD, PA-C 

Kerri Ann Rall, MPAS, EdD PA-C is a member of the 2008 class of the Kings College BS/MS PA Program and more recently completed her doctoral degree in Leadership and Education from the College of St. Mary in 2021.

Kerri Ann has practiced in oncology since graduation. She started her career in a community hospital practice, than narrowed her clinical focus to hematopoietic stem cell transplant, hematologic malignancy and chimeric antigen receptor T-cells. She practiced at Dana Farber Cancer Institute & Brigham and Women Hospital in Boston, MA and currently practices at Yale New Haven Smilow Cancer Hospital. Kerri was an integral member of the committee to develop and implement the CAR-T program at Yale New Haven Hospital.

In addition to her clinical work Kerri currently serves as an assistant professor and the Clinical Director at the University of St. Joseph PA program. She is passionate about PA education and creating a framework to enhance physician assistant hematology and oncology curriculum to heighten students’ depth of understanding. She serves as a member of ConnAPA philanthropic arm: CT PA Foundation to develop and promote PA education in the state of CT.

Her dual employment in both academia and clinical practice allows her to interact with PAs throughout the spectrum of their career. Kerri as an APAO Board member hopes to enhance student participation, education, and mentorship using her experiences in academia and clinical practice.

Email me with any questions.