President / ASA NM HOD Alternate District DirectorMary Billstrand, M.D., Albuquerque, New Mexico

Mary Billstrand, MD, FASA is an associate professor of anesthesiology at the University of New Mexico Department of Anesthesiology and Critical Care. Her primary anesthesiology practice focuses on ambulatory surgery and regional anesthesia. Currently, she is assistant medical director of the Outpatient Surgery and Imaging Services center (OSIS) at UNM. She is also an ASA representative member of the board on the Accreditation Review Committee for the Anesthesiologist Assistant. She is a native of New Mexico and enjoys spending time with her family.

President-Elect: Andrea Sandoval, M.D., Albuquerque, New Mexico

Andrea Sandoval, M.D., is currently an assistant professor of Anesthesiology at the University of New Mexico School of Medicine. Andrea is a New Mexico native, and went to medical school at UNM. She moved to Chicago to complete residency at Rush University Medical Center before returning to UNM for the regional anesthesia fellowship. After fellowship, Andrea began working at UNM-Sandoval Regional Medical Center where she is the Director of Anesthesia Education and Chair of the Transfusion Committee. Andrea enjoys running, cooking, playing poker and spending time with her family.


Secretary-Treasurer:  Sally Vender, M.D., Albuquerque, New Mexico

Dr. Vender is a congenital cardiac anesthesiologist at Presbyterian hospital in Albuquerque, New Mexico. She graduated from the University of New Mexico School of Medicine and completed her anesthesiology residency and pediatric anesthesia fellowship there, too. After graduating, she was privileged to serve as an attending physician where she loved working with residents and fellows. She was afforded the opportunity to obtain advanced clinical training in congenital cardiac anesthesia at Stanford.

When not sending kids to outer space with flavored astronaut masks, she enjoys spending time with her own kiddos (and sometimes wishes she could anesthetize them) and attempting to ride mountain bikes with her husband. She is grateful to able to practice medicine in New Mexico.

ASA NM HOD District Director: Ruth Burstrom, M.D., Albuquerque, New Mexico

Dr. Burstrom graduated from the Medical College of Wisconsin, completed her anesthesiology residency at Hartford Hospital followed by a two year geriatric anesthesia fellowship at the University of Washington.  Moving to work at the Albuquerque VA hospital in 1995 where she practiced until transferring to work at UNMH.  She has been on multiple local & departmental medical committees as well as serving on the ASA’s Geriatric Committee, Geriatric Track Education sub-committee, Credentialing Committee as well as Reference Committees.  She has also been a long serving delegate and Alternate Director from New Mexico, as well as being New Mexico’s ASA PAC representative. She remains active with lectures to residents including trauma, geriatrics and GU surgeries.  When she’s not keeping up with ASA and political issues you might find her out gardening or birding.

ASA Delegate: Tony Yen, M.D., Albuquerque, New Mexico

Dr. Yen is an anesthesiologist and Associate Professor at the University of New Mexico. During his career, he has been heavily involved in the education of our future generations of anesthesiologists, and has served as Residency Program Director since 2015. Prior to this role, Dr. Yen has also served as the clerkship director for students, simulation education director, and as the Chair of the Subcommittee on Medical Student Education for the Society of Education in Anesthesia. Clinically, Dr. Yen is a general practitioner and also serves in the Division of Acute Pain and Regional Anesthesia, where he previously served as the Director of the Acute Pain Service.

ASA Delegate: Terra Wubbenhorst, M.D., Albuquerque, New Mexico

Terra Wubbenhorst, MD is currently an assistant professor of Anesthesiology at the University of New Mexico School of Medicine. Terra is originally from Houston, TX and did her anesthesia residency and critical care fellowship at UT-Houston. She moved to Albuquerque and joined UNM after working in Texas in private practice for a few years. Terra has been involved in medical student and resident education, as well as quality improvement. Terra enjoys working out, cooking, reading, the wonderful Albuquerque weather, and spending time with her family.

Alternate Delegate: My La, D.O., M.P.H, Albuquerque, New Mexico

My La, DO, MPH is a physician anesthesiologist at Presbyterian Healthcare Services in Albuquerque, New Mexico.  She completed her residency at Cleveland Clinic in 2006 and worked in Los Angeles, California for 7 years before moving to Albuquerque.  She briefly practiced at the University of New Mexico Health System and the Albuquerque Veterans Administration Medical Center before joining Anesthesia Associates of New Mexico in 2017.  Dr. LA from L.A. is proud to be one of the Vietnamese "boat people" who immigrated to America in the 1980s.  Her humble beginnings have made her a more compassionate physician and human being.  She and her husband enjoy spending time with their 4 children. She loves New Mexico's four seasons and all of its natural beauty.


Alternate Delegate: DJ Luna, M.D., Albuquerque, New Mexico

Bio coming soon. 


Immediate Past President: Jeffrey Pack, M.D., Las Cruces, New Mexico

Bio coming soon.


David Siegel, M.D., Albuquerque, New Mexico

David Siegel, MD is currently an Assistant Professor of Anesthesiology at the University of New Mexico School of Medicine, Department of Anesthesiology and Critical Care.  He is also the Chief of Anesthesiology and Perioperative Medicine at the new UNM-Sandoval Regional Medical Center in Rio Rancho.  Prior to that, he was in private practice as a partner in Santa Fe Anesthesia Specialists, working at both Christus-St Vincents and the Physician's Plaza Surgery Center.  He previously practiced at the Albquerque Veterans Administration Medical Center, The Lovelace Department of Anesthesiology, and at the University of New Mexico Medical Center.