Residents

Ally Flessel, MD – Class of 2025

Email: Ally.Flessel@trinity-health.org

Ally was born in Evanston, Illinois and raised in the San Francisco Bay Area. She left the West Coast to attend Bucknell University where she earned her BS in Biology with a minor in English. After college, Ally worked for two years as a part of the clinical research team at Verily Life Sciences in South San Francisco, CA. In 2017 she moved to Detroit, MI where she earned her MD at Wayne State University School of Medicine. Ally’s interest in women’s health truly began when she discovered her love for endocrinology while in college. In the subsequent years she became certain OBGYN was the path for her due to the merging of surgery, primary care, and opportunity for long-term patient relationships. Ally is also thrilled to be following in the footsteps of her Grandfather who practiced as an OBGYN for over 50 years.

In her free time, Ally enjoys hiking, skiing, taking various Peloton classes and traveling with friends and family. She is a true extrovert and loves to recharge by sharing a good meal with friends or catching up on the phone with her family back in California. She is so excited to be a part of the wonderful community at St. Joe’s!

Claire Magnuson, MD – Class of 2025

Email: Claire.Magnuson@trinity-health.org

Claire was born and raised in Palatine, Illinois, a suburb of Chicago. She attended the University of Notre Dame for undergrad, where she earned her Bachelor of Science in Pre‐Professional Studies with a supplementary major in Spanish. She spent a year in Honduras working with a non‐profit organization before beginning her medical school education at Creighton University. Obstetrics and Gynecology immediately felt like the right fit – she loved developing her relationships with patients and being able to provide hands‐on care. She especially loved knowing her days would never be boring!

Outside of the hospital, Claire loves to exercise and spend time outdoors, and she has loved exploring her new city of Ann Arbor! She loves to bake, cook, and try out new restaurants with friends and family. She is so happy to be a part of the St. Joe’s family and very excited about the journey ahead!

Erin Spencer, MD – Class of 2025

Email: Erin.Spencer002@trinity-health.org

Dr. Spencer is a Michigan native, raised in nearby Canton, as a child of the auto industry after being born right here at St. Joe’s. A lifelong Michigander, she attended the University of Michigan where she studied Biomolecular Sciences and Spanish before earning a Master’s in Physiology. For medical school, she attended Wayne State University School of Medicine, where she discovered her passion for obstetrics and gynecology, combining her surgical interests with a strong desire to provide compassionate, personalized care. Dr. Spencer loves caring for women as they go through all stages of life and helping them with all the changes along the way.

When she’s not at the hospital you can find her running, reading, knitting, and playing with her dog, Bunsen the mini bernedoodle. In her extended free time, she enjoys spending time in northern Michigan exploring the outdoors. She is thrilled to be joining the wonderful team at St. Joe’s!

Madeline Wheatley, MD – Class of 2025

Email: Madeline.Wheatley@trinity-health.org

Madeline Wheatley, M.D., is proud to be a lifelong Michigander! She earned her BA from the University of Michigan Gerald R. Ford School of Public Policy before attending her mother’s alma mater, Michigan State University College of Human Medicine. Madeline has wanted to become a high‐risk ob/GYN since she started watching the Baby Story every afternoon in kindergarten. There is nothing more awe‐inspiring to study than how a human is created. She is especially interested in how a mother's health before and during pregnancy affects her child’s physical and cognitive future.

Madeline spends her free time racing up north with her big puppy any chance she gets. Her up north includes visiting her cousins in Petoskey for warm days out on Walloon and evenings spent playing epic games of Catan. She also spends time at her parents’ cabin in the Upper Peninsula, where she enjoys proving how tough she is by swimming in Lake Superior and binge reading murder mysteries. She’s always up for any outdoor activity, including running, paddleboarding, and cross country skiing.

Elana Fackler, MD - Class of 2026

Email: Elana.Fackler@trinity-health.org

Elana was born and raised in Cincinnati, Ohio. After graduating high school, she spent a year in Israel studying Middle Eastern history and culture and volunteering teaching English in a high school. She then attended Michigan State University where she studied psychology and neuroscience. After taking another gap year to work as an ED scribe and travel, she attended Wright State University Boonshoft School of Medicine. She was drawn to OBGYN because of the opportunity to build long lasting relationships with patients, as well as the mix of primary care, procedures, and surgery.

When she's not at the hospital, Elana enjoys reading, travelling, and exploring local restaurants and breweries. On the weekends, you can find her taking road trips throughout Ohio, Kentucky, and Indiana to meet up with her husband who is currently serving as a dentist at Fort Knox, KY.

Greta Fritz, MD - Class of 2026

Email: Greta.Fritz@trinity-health.org

Greta Fritz was born to Russian immigrants in Appleton, WI, while her mother was studying on an exchange program from Kurgan, Russia, at Lawrence University. She then moved to Belle River, Ontario and where she attended the French school system. Greta played soccer all her life, and even won the Provincial tournament in her senior year of high school, before returning to Appleton to attend her mother's alma mater. While studying Biology & Russian Studies, Greta played D3 soccer & club hockey, and completed SCUBA research on the coral reefs off Grand Cayman. Between undergrad and medical school, Greta worked as a scribe in OBGYN and volunteered in the NICU.

Greta then attended the Medical College of Wisconsin's 3-year rural campus in Green Bay, WI where she lived approximately 5 minutes away from her beloved Packers at Lambeau Field. She had known from the start that she was interested in OBGYN, due to the versatility and flexibility of the career, as well as the advocacy involved in Women's Health.

In her free time, Greta loves to ice/roller skate, downhill ski, read whatever books are trending, watch Formula 1, play board games or PS4, or simply sit by the fire with her partner & their puppy.

Micah Katz, MD - Class of 2026

Email: Micah.Katz@trinity-health.org

Micah was born and raised in the Metro-Detroit area before attending University of Michigan for undergrad. He then worked in New York City for four years before attending University of California, San Francisco for medical school. Micah was drawn to ob/gyn due to its medical and psycho-social acuity, emphasis on shared decision making, and focus on advocacy to improve structural and material conditions for its patients. His interests include reproductive justice, queer healthcare, and systems work to create a more just, liberatory healthcare system for all.

He came to Trinity Health's for the strength of its clinical training and the opportunity to be closer to his family and serve the community he's from. In his free time, Micah enjoys watching TV, keeping up with "pop culture" "news," and occasionally going to the gym. Despite returning for years 5-8 in Ann Arbor, Micah still doesn't get the whole college football thing.

Sarah Weinstein, MD - Class of 2026

Email: Sarah.Weinstein@trinity-health.org

Sarah was born in Boca Raton, Florida, and left the warm weather behind to pursue her studies at Barnard College in New York, where she earned a BA in Neuroscience & Behavior. Her interest in medicine deepened while working for an Ob/Gyn, which inspired her to further her education at the Technion Israel Institute of Technology, where she earned her MD. During her medical training, Sarah valued the opportunity to interact with patients from diverse backgrounds and in multiple languages. She discovered her passion for Obstetrics & Gynecology, drawn to the field’s versatility—whether performing surgery, delivering babies, or diagnosing and treating cancer, she found it incredibly rewarding. Sarah is dedicated to providing equitable care for all her patients.

Outside of her professional life, Sarah enjoys painting, listening to music, reading, and savoring a good cup of coffee.

Kenna Clements, DO - Class of 2027

Email: Kenna.Clements001@trinity-health.org

After growing up in Brighton, Michigan, Kenna attended the University of Michigan where she earned a degree in Neuroscience. Before starting medical school at Michigan State University College of Osteopathic Medicine, she enjoyed her time working as an adaptive ski instructor to provide lessons to people experiencing disabilities. During medical school, she became passionate about OBGYN for its role in primary, medical, and surgical care to create a multifaceted, holistic approach to reproductive health. She has an interest in maternal mental health and social change surrounding reproduction.

She is looking forward to being back in Ann Arbor and working with the Trinity Health Ann Arbor team. When not in the hospital, she loves visiting her twin sister, hiking, skiing, going to yoga, farmers markets, and trying new coffee shops.

Vanessa Haizel, MD - Class of 2027

Email: Vanessa.Haizel@trinity-health.org

Vanessa was born and raised in Accra, Ghana, and is pursuing her childhood dream of becoming an Obstetrician Gynecologist. Vanessa completed medical school at the University of Cape-Coast School of Medical Sciences, winning awards such as the Best Graduating Female Student. Now, as an OBGYN Resident, she is excited to expand upon her passion for medicine.

Before THAA, Vanessa worked as a Post-Doctoral Associate at the University of Pittsburgh Medical Center. During her time there at the Academic Research Center for Hematology (ARCH), she led a number of research projects aimed at improving the standard and quality of care for patients with Sickle-Cell Disease. Much of this work built upon the learnings of prior research she conducted while volunteering with the University of Michigan.

Vanessa also worked as a Generalist Physician at The University of Ghana Medical Centre (UGMC), the 37 Military Hospital, and the Police Hospital in Ghana. In these roles, she often served as the central contact for emergency patient-care across the spectrum of medicine. As a GP, Vanessa’s advocacy for marginalized patient populations and her dedication to provide patient-centered care in limited resource settings granted her numerous opportunities to influence hospital operating practices. As a resident, Vanessa is excited to push the boundaries of her medical knowledge and hone her patient care skills. She hopes to be a conduit of both knowledge and technology, with the goal of creating accessible women’s health training in Ghana and underserved communities. Dr. Haizel’s commitment to providing compassionate, evidence-based care, drive her desire to contribute to the well-being of all patients she can reach.

Vanessa is a dog mum to four adorable pups. Outside of medicine, she enjoys traveling, exploring new cultures and cuisines, and creating all forms of visual art. She is particularly interested in interior design and landscaping and has built her own Sim city which she is very proud of. She hopes to finally learn to ride a bicycle by the end of residency.

Zandra Ho, MD - Class of 2027

Email: Zandra.Ho@trinity-health.org 

Zandra was born in Phoenix and moved to the UK before she turned one. After three years in Dublin and three in London, she made her way to California. She grew up bouncing back and forth between California and Massachusetts and is excited to explore the Midwest now!

She studied Computer Science at Stanford and played squash throughout her four years there. She spent two gap years conducting computational cancer research at the Broad Institute, which inspired her to continue using computational methods to investigate health outcomes among vulnerable populations as she transitioned to medical school at Brown.

During her clinical years, she liked pretty much everything. She ultimately settled on OB/GYN because of the continuity and the variety—the opportunity to be in the OR as well as clinic, to manage physiology and pathology, to tackle prevention as well as manage terminal illness, to take care of patients across the lifespan, and to be in a field where advocacy is so crucial. She is excited to train in such a warm and supportive environment!

In her free time, she enjoys watching Netflix, biking, and has recently started playing pickleball.

Leah McCall, MD Class of 2027

Email: Leah.McCall@trinity-health.org

Leah was born in Helena Montana and remained in the Big Sky country with her mom, dad, and two sisters for most of her younger life. 4H and horsemanship were a big part of Leah’s childhood which is why she was initially interested in becoming a veterinarian, but eventually found a path to medicine in college. After graduating from Helena High School as an accomplished cross country and track athlete, Leah attended Carroll College where she continued her running career and earned her bachelor's degree in biology. She then attended Oregon Health and Science University after spending 2 years working in a rural hospital as a scrub technician.

Women’s Health became particularly interesting to Leah after her OB/GYN rotation in medical school where she instantly felt a connection. She was drawn to the patient population and felt it was an excellent space to empower women. She also found the specialty to be versatile and a perfect combination of continuity care and surgery. Leah has a particular interest in education, rural medicine, and reproductive rights.

She enjoys spending her free time with her boxer Shelby and husband Erick or making a trip back to MT to see her family. She also enjoys running, hiking, Brazilian Jiu Jitsu, swing/line dancing, and escape rooms. Leah looks forward to integrating herself into the Trinity Health family and getting to explore everything that Michigan and Ann Arbor has to offer.

Abby Rachor, DO - Class of 2028

Email: Abby.Rachor@trinity-health.org

Abby is one of seven kids and was born and raised in Fenton, Michigan. After graduating high school, she moved over to Holland, Michigan and attended Hope College for her undergraduate education. She studied psychology and biochemistry and enjoyed taking part in Hope’s international immersion trips and May Term opportunities. After college, Abby took a gap year and moved to Utah. She worked as a ski lift operator at Deer Valley Resort and enjoyed her year out west while camping, hiking, and skiing. She then moved back home to attend Michigan State School of Osteopathic Medicine for medical school. Abby’s interest in obstetrics and gynecology blossomed from her fascination with the intricacy of female anatomy and reproductive system, her appreciation for the miracle of pregnancy and birth, and her passion for providing supportive and accessible healthcare for all women.

When she isn’t at the hospital, Abby likes watching movies, cooking, reading, going to Trader Joe’s, going on walks outside, finding new ice cream spots, or taking road trips to Cleveland to visit her fiancé who is also in his residency. Abby is so excited and thrilled to be joining the team here at Trinity Health Ann Arbor!

Emily Schaff, MD - Class of 2028

Email: Emily.Schaff@trinity-health.org

After growing up in St. Louis, Missouri, Emily attended the University of Kentucky where she majored in Medical Laboratory Science and minored in Linguistics. She attended medical school at the University of Missouri-Columbia, moving to the school's regional medical campus in Springfield, Missouri for her clinical years. While she had always been interested in women's health, she fell in love with OBGYN for the surgical and holistic opportunities to improve patients' quality of life. She is enthusiastic about empowering patients to take ownership of their reproductive health and has special interests in medical education, global health, and societal factors impacting individual health.

Emily is thrilled to be training at THAA and is excited to explore all that Ann Arbor has to offer in the next 4 years. In her free time, she loves hiking, comedy, trying new foods, and traveling to the National Parks with her parents and 2 younger sisters.

Madison Feeley MD - Class of 2028

Email: Madison.Feeley@trinity-health.org

Maddy was born and raised in Toledo, Ohio before earning her B.S. in Neuroscience with a minor in Pharmaceutical Sciences at The Ohio State University. In college, she found her passion for caring for others while working as an at home patient care assistance for people with developmental and physical disabilities. She then made her way back home to attend the University of Toledo College of Medicine and Life Sciences. She was drawn to women’s and LGBTQIA health early on in medical school, participating in Centering Pregnancy and conducting period poverty research. She is especially interested in maternal mental health and loves everything the field of OB/GYN has to offer from continuity and education, to surgery, to patient advocacy.

Outside of the hospital Maddy loves traveling, hiking, game nights, her fiddle leaf fig, pure barre, and exploring the plethora of walking trails and parks in Ann Arbor with her partner and their jack russell terrier, Dot.

Morgan Mroz MD - Class of 2028

Email: Morgan.Mroz@trinity-health.org

Morgan was born and raised in the suburbs of Chicago, IL. Collegiate rowing brought Morgan and her twin sister to Villanova in Philadelphia, PA where Morgan earned her BS in Biology with a psychology minor. After college, she worked for two years as an internal medicine scribe at two local Chicago hospitals. In 2020, Morgan began her formal medical school education at Rosalind Franklin University Medical School in North Chicago.

Morgan’s passion for the OB/GYN specialty was ignited by its unique, coach-like role in supporting and empowering women through significant milestones. She also developed a deep appreciation for the field’s broad spectrum of pathologies, which keeps her constantly engaged and allows her to refine a diverse set of surgical and clinical skills. Morgan is eager to further develop her expertise and continue her dedication to women’s health at Trinity Health Ann Arbor.

Outside of medicine, Morgan thrives on biking, hiking, and kayaking, accompanied by her husband as they engage in a variety of sports adventures. She treasures quality family time with her parents in Chicago, local art fairs and concerts in metro Detroit, and enjoys discovering new restaurants everywhere she goes.

Saja Hassoun MD - Class of 2028

Email: Saja.Hassoun@trinity-health.org

Saja was born and raised in SLC, UT. She attended the University of Utah for undergraduate where she received her B.S in biology with a minor in chemistry. She worked as a CNA at the local children's hospital and loved to explore the local hiking trails during her free time. She then also attended medical school at the University of Utah. She was drawn to OBGYN because of the variety in surgical and medical management as well as the opportunity to build meaningful relationships with women in all stages of life.

Outside of work, Saja loves to exercise, try new restaurants with her husband, and spend time with family and friends. She is excited to be in Michigan for the first time and explore all it has to offer.