Our Staff

Chief Executive Officer and Managing Partner

William Cats-Baril, PhD

A resident of Vermont since 1982, Willy is a successful entrepreneur and an Associate Professor in the Grossman School of Business at the University of Vermont. He designed and was the founding Director of the MBA on Sustainable Innovation which is now the top ranked green MBA in the country, and has won several teaching awards. He has worked closely with the medical community for the last 35 years and has extensive experience developing expert systems in health care and developing and implementing medical outcomes programs. He has published extensively, consulted widely with for-profit and non-profit organizations and government agencies, and serves on several Boards. His research has won various awards including his work on predicting imminent risk of suicide which has been funded by the NIH and the NIMH. His current research focuses on the prediction of successful maintenance of recovery. He is an avid swimmer, skier and biker.

Chief Medical Officer

Sanchit Maruti, MD, MS

Sanchit is a fellowship-trained addiction psychiatrist with clinical experience in caring for a broad spectrum of diverse and complex individuals who have acute and chronic conditions. He has received numerous clinical service and teaching awards, serves on the Board of Directors of the American Academy of Addiction Psychiatry and has research expertise in risk assessment, quality improvement and outcomes measurement. He also serves as the Medical Director of Inpatient Psychiatry Service and the Addiction Treatment Program at the University of Vermont Medical Center. In his free time, he likes to travel, visit museums and listen to jazz music.

Vice President for Medical Operations and Analytics

Marcel Gemperli, MD, MPH

Marcel graduated from Harvard University before earning his Doctor of Medicine at the University of California San Francisco (UCSF). He has led research in the areas of health care policy, best practice consensus building and treatment outcome analysis at UCSF, the Stanford Center for Health Policy and the UC Berkeley School of Public Health. He is passionate about optimizing and improving healthcare systems through analytical and evidence-based approaches, and his work at Sana focuses on the adoption of best practice guidelines and system efficiency and safety in clinical care. In addition, Marcel loves the outdoors and traveling. He is also a professional violist performing frequently with symphony orchestras, in chamber music settings and for numerous recordings and touring Broadway shows.

Vice President for Clinical Affairs

Bethany Mahler, MA, LADC, LCMHC

Bethany is a dually Licensed Alcohol & Drug Counselor and Clinical Mental Health Counselor. She graduated magna cum laude from Boston College before getting two Master’s degrees in international development and counseling. She is experienced in providing direct clinical care in both residential and office-based substance use disorder treatment settings as well as managing and supervising a multidisciplinary team in clinical and operational aspects. At Sana, she is responsible for developing clinical strategy, building new initiatives, ensuring regulatory compliance and program design and implementation. She grew up just across the border in New Hampshire and spends her free time with her husband and two children.

Vice President for Patient Experience and Hospitality

Karen Smegal-Butler

Karen grew up in Western Massachusetts and has over 25 years of experience in guest services. Within the first few months of working at Canyon Ranch in Lenox, MA, she discovered a passion for taking care of others in the hospitality setting and has spent her career working at some of the most luxurious resorts in the Northeastern United States. With a deep understanding of how to create memorable experiences in a nurturing and supportive environment, she is an essential part of Sana’s leadership team as well as a wife and mother of three.

Vice President for Operations and Human Resources

Julie Paris, MPA

Julie is an experienced administrative and human resources manager with over 20 years of experience. She holds a Master’s in Public Administration, is driven by organization and efficiency and takes pride in providing excellent service to clients and colleagues. She currently resides in Colchester with her husband and two children and enjoys exercising, cooking and being outside to enjoy all the seasons of Vermont.


Sara Buckingham, PhD, LP

Sara received her doctoral degree in Clinical Psychology and Community Psychology. She is on the faculty in the Department of Psychology at the University of Alaska Anchorage where she trains clinical-community psychology PhD students while also maintaining a small private practice. Sara specializes in strengths-focused, culturally congruent, evidence-based assessment and treatment for a wide range of mental health and substance use conditions that co-occur with trauma. She works with patients at Sana via telehealth to assess their psychological needs, abilities and behaviors using appropriate psychometric screenings and tools. Outside of her work, Sara spends her time enjoying all things outdoors with her husband and three dogs.

Pharmacy Consultant

Clayton English, PharmD

Clayton is a practicing Board Certified Psychiatric Pharmacist with a demonstrated history of working in academia and healthcare. Raised in Oklahoma, Clayton moved to Vermont in 2010 to join the faculty at Albany College of Pharmacy & Health Sciences and practice at The University of Vermont Medical Center. Certified as a geriatric pharmacist and pharmacotherapy specialist, Clayton loves working with patients and physicians in optimizing medication regimens to improve treatment outcomes. Clayton’s research and clinical interests include mood and anxiety disorders, deprescribing and managing polypharmacy. In his spare time, Clayton loves to travel, exercise and read historical non-fiction.

Director of Information Technology

Gordon White, BS, MCSE

Gordon has worked in Information Technology (IT) for over 25 years with extensive experience in healthcare and medical education. He graduated from the University of Vermont in 1994 before moving to Boston, where he worked for the Harvard School of Public health. He earned his IT Systems Certification from Clark University and his MCSE from Microsoft. Gordon currently serves as the Director of Enterprise Services and Support at the Larner College of Medicine and is passionate about leveraging IT solutions to enhance patient care and support healthcare workers. He lives in South Burlington, VT with his family and enjoys teaching Taekwondo, which he has practiced since 1983.

Director of Nursing

Laisha Mitchell, MSN, CV-BC, PCCN

Laisha is a Registered Nurse with over 15 years clinical experience working in cardiac care, medical/surgical cardiothoracic, emergency and critical care units. She has a Master’s degree with a focus on Nursing Education, is board certified in both Cardiac-Vascular Care and Progressive Care nursing and has been a university nursing professor. Originally from Montréal, Canada, she has lived in multiple locations throughout the eastern United States but has called Vermont home for many years. She enjoys time with her adventurous family, challenging herself with long-distance running and growing a bountiful summer garden.

Registered Nurse

Katherine Farber, BSN, RN

Katie was born and raised in Elmore, Vermont. She attended Saint Anselm College earning a Bachelor’s of Science in Nursing. She has a background in medical-surgical nursing and worked at Central Vermont Medical Center in Berlin, VT before coming to Sana. Katie strives to spread positivity and hope through compassionate and holistic care. Through her clinical experience, she has developed a passion for caring for people with substance use disorders and hopes to end the stigma associated with it. When she is not caring for her patients or helping out at her local general store, she enjoys creating art of any kind, spending time outside exploring alongside her husky and wrangling honey bees with her partner.

Registered Nurse

Madison Oboikowitsch, BSN, RN, CMSRN

Madison obtained her Bachelor of Science in Nursing degree from New York University through their accelerated nursing program before working at NYU Langone Hospital on the gastrointestinal surgery floor. She relocated to Vermont in 2019 and worked in the Hematology Oncology Department as well as the Emergency Department at the UVM Medical Center. She continues to work at UVMMC, splitting her time between the ED and Sana while maintaining an active life outdoors, hiking the peaks of New Hampshire and New York, training for marathons and practicing yoga.

Registered Nurse

Tracey O’Shea, BSN, RN

Tracey is a Registered Nurse with extensive direct clinical care experience in the hospital setting. She began her career in an adolescent medical unit at Boston Children’s Hospital before moving to Vermont in 1996 and working at The University of Vermont Medical Center. She has spent the last 15 years dedicated to caring for infants in the neonatal intensive care unit and comforting their families. Through this work, she has treated many newborns with neonatal abstinence syndrome and provided compassionate support to parents with substance use disorders. Since arriving in Vermont over 25 years ago, she and her husband have raised three children and embraced the natural and holistic lifestyle the state has to offer. As an outdoor enthusiast, Tracey enjoys hiking, skiing, biking and swimming.

Registered Nurse

Arynne Suddaby BSN, RN

A native Vermonter and a mother of three, Arynne attended Norwich University where she graduated with a Bachelors of Science in Nursing degree. After graduating, she worked in the Operating Room at The University of Vermont Medical Center for over a decade as a charge nurse and assistant nurse manager. She thrives in fast-paced, high-stress environments, has strong communication skills and enjoys working as a member of a multidisciplinary team. She spends much of her free time exploring with her kids, riding bikes and gardening.

Administrative Coordinator

Kimberly Corbett, BA

Kimberly earned a Bachelor’s degree in English Literature before working in accounting, editing and customer relations in the southern United States. Upon returning to New England, she has worked in hospitality for more than a decade and prides herself on being pragmatic, efficient and creative. She’s hiked the Pacific Crest Trail, climbed the mountains of Georgia and North Carolina and now enjoys spending time with her daughter, her precocious Aussie and her aging rescue dog.

Direct Care Staff

Brooke Billado, ADN, LPN

Brooke is a Licensed Practical Nurse (LPN) who was born and raised in Vermont. She has over eight years of medical experience in direct patient care and an Associate’s degree in Nursing. In addition to being a part of the Sana team, she is starting an accelerated Family Nurse Practitioner program September 2021. When Brooke is not working or studying, she enjoys adventuring outdoors with her great dane, Timber, lab mix, Rylee, and her significant other.

Direct Care Staff

Caroline Duksta, BS

Caroline graduated from the University of Vermont with a Bachelors of Science in Neuroscience and dual minors in Behavior Change Health Studies and Molecular Genetics. She has worked on a woman’s health research project, investigating the connection between substance use and birth outcomes, and plans to pursue a career in medicine. She spends her free time enjoying the natural wonders of Vermont, skiing, mountain biking and kayaking as well as painting, knitting, reading and traveling.

Direct Care Staff

Ashley McCormick, BS

Ashley graduated from college with a major in Biology and minors in Chemistry and Psychology. She has extensive knowledge in the medical and behavioral healthcare fields, including work at a COVID-19 testing site during the pandemic. She grew up in Queensbury, NY, and enjoys most outdoor activities as well as reading, painting, writing and spending time with her three dogs.

Direct Care Staff

Payton Stewart, BS

Payton has a Bachelor’s degree in Biology and extensive experience in backcountry medicine and youth development. He uses this background to create a welcoming, safe and therapeutic environment at Sana and is responsible for addressing the needs of patients and assisting with therapeutic programming and socialization. He grew up in New Hampshire and loves hiking, kayaking, drawing and playing guitar.

Direct Care Staff

Morgan Wickstrom, BA

Morgan has a Bachelor’s degree in Environmental Studies and Ecological Anthropology. She has worked as an early childhood educator, chef and program manager at a food resilience and social service non-profit organization. Morgan finds meaning and joy in helping others through their healing and recovery journeys. Outside of work, she enjoys painting, hiking, gardening, skiing and sailing.

Nutrition Specialist

Haley Dienst, MS, RD, CD

Haley is a Registered Dietitian Nutritionist, credentialed by the Academy of Nutrition and Dietetics, and certified by the State of Vermont. She holds a Master’s in Dietetics from the University of Vermont and has over 10 years of experience providing nutrition education and counseling to a wide range of clients, patients and students. Haley is fascinated by how food and health interact and is passionate about using her knowledge to help others feel better and maximize their health. A native Vermonter, she is an avid gardener and enjoys spending time with her significant other and two dogs.

Director of Wellness

Mary Streeter, RRA, MSc, CYT, CHC, HTP

Mary has spent over 30 years working in healthcare and is an Advance Practice Provider in Radiology (APP) at University of Vermont. She has worked both on the clinical, research, quality and academic sides of medicine. During this time she has also sought to understand how to bring optimum health and well-being to her life and to share this with others. This led to her global health work in Subsaharan Africa and extensive studies in eastern medicine, wellness and integrative health. She is a health coach, a yoga & meditation teacher and an energy healer. She brings to Sana a holistic approach to recovery through our Wellness program embracing evidence based healing of the mind, body & spirit.

Mary has lived in Vermont her entire life, growing up in Underhill at the foot of Mount Mansfield. She enjoys time with her large family, wandering in the woods, paddle boarding, biking, writing and holding meaningful conversations on her podcast, Zen Mama & The Addict.

Director of Culinary Services and Horticulture

Jade Quagliozzi

With over fifteen years of experience in fine dining and organic agriculture, Jade leads the culinary program with an enthusiasm for farm-to-table meals and service. Before moving to Vermont, she worked in several highly regarded restaurants in Boston and started an organic farm that grew and delivered heirloom produce to multiple Boston restaurants. When she’s not cooking, she enjoys mountain biking, foraging and spending time with her husband and dog.

Sous Chef

Greg St. Peter

Born and raised as a fourth generation Vermonter, Greg credits his love of cooking to the region. He spent his childhood working in the family garden where he learned the superiority of locally sourced ingredients and allowing them to shine. Greg has sharpened his culinary skills in top restaurants in Boston, Massachusetts and Portland, Oregon. In his spare time, he enjoys walking his two dogs and playing music.


Marina Turco

Marina has a Bachelor’s degree in Holistic Health and has spent years cultivating experience through farming, education and various employment positions in order help serve others on their path to wellness. Originally from Alaska, she moved to Vermont in 2007 and feels grateful to be closer to family and spend time in Vermont’s beautiful habitat. Beyond cooking, she is a devoted yogi practitioner, certified yoga instructor, student of herbalism and loves to make people laugh.


Jordan Belanger

Jordan studied sustainable agriculture at The University of Vermont and has experience on organic farms throughout Vermont and Ireland. Before starting at Sana, he worked in Seattle producing artisan charcuterie and salumi. When not in the kitchen, Jordan can usually be found in the woods photographing the local wildlife.

Prevention Coach

Jessica Lahey

Jessica is the author of the New York Times bestselling book, The Gift of Failure: How the Best Parents Learn to Let Go So Their Children Can Succeed and The Addiction Inoculation: Raising Healthy Kids in a Culture of Dependence. Over twenty years, Jess has taught every grade from sixth to twelfth, and spent five years teaching in an inpatient drug and alcohol rehab for adolescents in Vermont. She earned a law degree from the University of North Carolina at Chapel Hill and writes about education, parenting, and child welfare for The Washington Post, New York Times, and The Atlantic. Jessica wrote the curriculum for Amazon Kids’ award-winning The Stinky and Dirty Show and co-hosts the #AmWriting podcast from her house in Vermont, where she lives with her husband, two sons and a lot of dogs. Jessica celebrated her 8th sobriety anniversary on June 7, 2021. Visit her website jessicalahey.com.