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Meet Our Residents

Two doctors practice a procedure in an operating room.

Our residents come from medical schools around the U.S. and outside the country. While all of our trainees have a love of learning and a compassionate approach to patient care, they come from diverse backgrounds, family status, and professional and personal interests.

The General Surgery Residency has over 20 residents in training at any time. Learn more about our current residents.

Class of 2026

Valerie Armstrong, M.D.

Valerie Armstrong, M.D.

Hometown: Boulder, CO
Medical school:
University of Miami, Miller School of Medicine
About me:
In my free time I enjoy spending time with friends, hiking, spoiling my cats, and training for triathlons.

Akash Kartik, M.B.B.S.

Akash Kartik, M.B.B.S.

Hometown: Moradabad, India
Medical school: Government Medical College Chandigarh
About me: I grew up in rural India. My passion for medicine is an extension of my parents’ commitment to serve the underrepresented. I am #SurgOnc curious and will work on every front to defeat cancer. In my free time, I like to play drums, hike, and beat chess hustlers.

Chi Zhang, M.D.

Chi Zhang, M.D.

Hometown: Charlottesville, VA
Medical school: Geisel School of Medicine at Dartmouth
About me: After spending the majority of my life on the East coast, I learned my lesson and moved toward the warmth of my new home in Phoenix! On my days off, I like to bake and feed my co-residents who are holding the fort down at the hospital. I also ballroom dance and play the violin competitively.

Class of 2027

Scott Eldredge, M.D.

Scott Eldredge, M.D.

Hometown: Salt Lake City, UT
Medical school:
University of Utah
About me:
I am interested in becoming a pediatric surgeon. Outside of medicine, I enjoy running, reading, and spending time with my family.

Nick Nolan, M.D.

Nick Nolan, M.D.

Hometown: Huntington, WV
Medical school:
West Virginia University School of Medicine
About me:
I am from West Virginia, so I love all things outdoors. In my free time, I especially love to explore all the golf courses the Phoenix/Scottsdale area has to offer!

Natasha Sioda, M.D.

Natasha Sioda, M.D.

Hometown: University Place, WA
Medical school: Creighton University School of Medicine
About me: Outside the hospital, I love exploring the outdoors, eating, and spending time with my friends and family. I was voted most likely to win a chess championship in high school, but unlike Akash, I don't actually know how to play chess.

McKinna Tillotson, M.D.

McKinna Tillotson, M.D.

Hometown: Schenectady, NY
Medical school:
Oregon Health & Sciences University
About me:
In my free time, I love to bike, go to concerts, backpack, oil paint, and spend as much time as possible in the pool. I am currently undecided on the surgical specialty.

Class of 2028

Lena Egbert, M.D.

Lena Egbert, M.D.

Hometown: San Jose, CA
Medical school: Mayo Clinic Alix School of Medicine, Phoenix, Arizona
About me: In my free time, I like to hike, paint, swim, and learn how to make new desserts. I listen to too much music and am in the top 2% of Drake listeners on Spotify.

Holly Grossman, M.D.

Holly Grossman, M.D.

Hometown: Lubbock, TX
Medical school: Texas Tech University Health Sciences Center School of Medicine
About me: I am the proud parent of a fluffy and enigmatic shepherd named Brutus.  In my free time, I like to run, watch scary movies (including the entire Halloween franchise), and hang out with my co-residents.  My ideal OR playlist is the entire Prince discography.

Asher Jenkins, M.D.

Asher Jenkins, M.D.

Hometown: Two Harbors, MN
Medical school: University of Minnesota
About me: In my free time, I love to bike, hike, rock climb, and spend as much time as I can outside. I also love spending time with my fiance and my deaf Boston Terrier, Winston.

Tim Prior, M.D., Ph.D.

Tim Prior, M.D., Ph.D.

Hometown: Westport, CT
Medical school: Tulane University School of Medicine
About me: Ph.D. in immunology (B Cell stands for Best Cells), won a medal in Stykkisholmur, Iceland in a National Icelandic Fisherman Day competition, and plant dad to a citrus tree.

Class of 2029

Mohamed Aly, M.B., B.Ch.

Mohamed Aly, M.B., B.Ch.

Hometown: Maadi, Cairo, Egypt
Medical school: Kasr Al Ainy Hospital, Cairo University
About me: Beyond the medical field, I cherish spending quality time with my family and friends, taking care of my plants, and enjoying sunsets with a great view while sipping good coffee.

Grace Kelly, M.D.

Grace Kelly, M.D.

Hometown: Western Springs, IL
Medical school: Tulane University
About me: I grew up outside Chicago and attended undergraduate and medical school at Tulane University in New Orleans. Since moving to Arizona, I’ve rediscovered my love for tennis, hiking, biking, and all things outdoors.

Gilbert Pan, M.D.

Gilbert Pan, M.D.

Hometown: Yorba Linda, CA
Medical school: Boston University Chobanian and Avedisian School of Medicine
About me: I am a lucky husband to an amazing wife and dog dad to a very lazy Husky-mix named Zion. I enjoy running, tennis, snowboarding, fishing, and hiking; I hope to visit every US National Park one day.

Aliyah Patterson, M.D.

Aliyah Patterson, M.D.

Hometown: Portland, Jamaica
Medical school: Loma Linda University School of Medicine
About me: I love going to the beach with family and friends. I enjoy watching the sunset, traveling, and painting landscapes.

Laura Stokes, M.D.

Laura Stokes, M.D.

Hometown: Gilbert, AZ
Medical school: Creighton University School of Medicine – Omaha, NE
About me: I love being outside, especially when I am playing golf (I’m better on the range) or snowboarding. I have two French bulldogs (Walker and Wallen) who always want to cuddle and be lazy. I also enjoy baking, finding new ice cream spots, and spending time with my friends and family.

Class of 2030

Rishab Belavadi, M.B.B.S.

Rishab Belavadi, M.B.B.S. 

Hometown: Atlanta, GA / Bangalore, India
Medical school: Jawarharlal Institute of Postgraduate Medical Education and Research (JIPMER), Pondicherry
About me: I’m interested in surgical oncology but am open to all sub-specialties. I love hanging out with my friends, hiking, mountains, and waterfalls. Former professional cricket player and a massive, massive 76ers fan.

Xing Li, M.B.

Xing Li, M.B.

Hometown: Shanghai, China
Medical school: Shanghai Jiao Tong University
About me: Liver is my favorite organ, and I hope to become a transplant surgeon! Outside of medicine, I enjoy baking, learning new languages, trying out cafes and restaurants with friends, and planning for my next trip!

Rania Mansour, M.B.B.S.

Rania Mansour, M.B.B.S., M.P.H.

Hometown: Toronto, Canada & Beirut, Lebanon
Medical school: St. George’s Hospital Medical School, University of London, UK
About me: Sports enthusiast, outdoor adventurer, coffee lover, and plant parent in training – I’ve so far only been able to keep cacti alive, so I guess I’m in the right state! I’m consistently inspired by global architecture, different cultures, and my friends and family.

Sam Schindler, M.D.

Sam Schindler, M.D.

Hometown: Fremont, NE
Medical school: University of Nebraska Medical Center
About me: In my free time, I enjoy making beaded artwork with tambour embroidery, painting pottery, and spending time with my husband and three-legged rescue dog.

Jordin Stanneart, M.D.

Jordin Stanneart, M.D.

Hometown: Phoenix, AZ
Medical school: University of Queensland
About me: I am a proud mom to two Boston Terriers, Lulu and Finnigan. In my free time, I enjoy golfing, wakeboarding, pickleball, traveling, and spending time with my amazing husband, family, and friends.

Preliminary year

Saad Mallah, M.B., B.Ch., B.A.O.

Saad Mallah, M.B., B.Ch., B.A.O.

Hometown: Originally Palestinian-Jordanian, but have moved a lot (Saudi, Bahrain, Dubai, Kuwait, London - Arizona!)
Medical school: Royal College of Surgeons in Ireland (Bahrain campus)
About me: I’m an uncle of one and brother of two. Our family lived nomadically in pursuit of the best opportunities, and so I am yet to live in one place for longer than seven years! On the side, I’m an artisanal coffee connoisseur, calligraphy enthusiast, calisthenics athlete, and a hopeful entrepreneur. I plan on pursuing vascular and trauma/critical care fellowships, and to develop a niche in vascular injuries. Passionate about disaster-response, global health policy, and humanitarian surgery!

Andrew Saleeb, M.B., B.Ch.

Andrew Saleeb, M.B., B.Ch.

Hometown: Cairo, Egypt
Medical school: Cairo University School of Medicine
About me: Love playing soccer, I’ve been playing it for as long as I can remember. I’m a huge Mo Salah fan, but I support Man City because Pep Guardiola is a genius. Ping pong is a close second for me. Back in med school, I was on the theater team, and that was one of the most enjoyable experience I’ve ever had!

Paul Tan, M.B.B.S.

Paul Tan, M.B.B.S.

Hometown: Malaysia
Medical school: International Medical University
About me: Hi! I’m from Malaysia, a country rich in culture, language, and amazing food. Growing up in Malaysia taught me to embrace diversity – I speak three languages and love connecting with people from all walks of life. When I’m not sleeping (my favorite hobby!), you’ll find me enjoying sports and staying active.

Rawan Zeineddine, M.D.

Rawan Zeineddine, M.D.

Hometown: Mount Lebanon, Lebanon
Medical school: Lebanese American University
About me: : I lead a life full of passion for my profession, family, chosen family, and community. I’m grateful for a life that taught me to appreciate the good and the hard. I see medicine as a privilege and strive to become a surgeon worthy of it. I’m interested in education and medical law. My friends say I cook like a grandma, which I take as five Michelin stars. I enjoy new experiences as much as the comfort of familiarity.

Research

Dillon Cheung, M.D.

Dillon Cheung, M.D.

Hometown: San Jose, CA
Medical school: University of California, Irvine
About me: In my free time, I enjoy the outdoors, traveling, the beach, working out, and hanging out with my co-residents. I used to breakdance competitively.

Marlene Garcia-Neuer, M.D., M.S.

Marlene Garcia-Neuer, M.D., M.S.

Hometown: Chandler, AZ
Medical school: Ohio State College of Medicine
About me: I am an avid historian, who loves anything to do with surgical history and storytelling. In my free time I like to make medical history podcasts, fence, ski, and cuddle my cat.

Nisha Rehman, M.D.

Nisha Rehman, M.D.

Hometown: Charleston, SC
Medical school: University of Arizona, College of Medicine - Phoenix
About me: I was born in a small town in North Dakota, grew up in South Carolina, but have been in Arizona for the past 10 years. I am the oldest of five kids and am the proud mom to a feisty but sweet cat who loves to play fetch and ruin my couches. Also, I am a gluten-free food connoisseur (ask me about my almond cake recipe). I am excited to be a surgical resident at Mayo and am looking forward to giving back to the community.

Stephanie Yu, M.D.

Stephanie Yu, M.D.

Hometown: Aurora, CO
Medical school:
About me: As somebody who has lived in Colorado my whole life, I’m excited to explore life in a different state! I am a mom to a feisty little dog named Bella and also quite a few plants. While in residency, I’m looking forward to exploring Phoenix, getting accustomed to the heat, and discovering good places to eat!