Our Residents
Get to Know the Orthopaedic Surgery Residency Program
Aerial Tour of UCLA Campus | Welcome to Los Angeles!
GME | Why Choose the David Geffen School of Medicine?
PGY-5 Residents
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Seth Ahlquist, MD
Hometown: Loomis, CA
Undergrad Institution: University of California, Los Angeles
Medical School: David Geffen School of Medicine at UCLA
Clinical Interests: Upper Extremity
Hobbies/ Interests: Soccer, Tennis, UCLA football/basketball, board games, spending time with my wife and twin boys
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Eric Chang, MD
Hometown: Los Angeles, CA
Undergrad Institution: University of California, Berkeley
Medical School: Tulane University School of Medicine
Clinical Interests: Hand Surgery
Hobbies/ Interests: Working out, trying new recipes, traveling
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Christopher Gajewski, MD
Hometown: Chagrin Falls, OH
Undergrad Institution: University of Pennsylvania
Medical School: University of Pennsylvania
Clinical Interests: Hand & Upper Extremity
Hobbies/ Personal Interests: Cooking, playing tennis, exploring the LA restaurant scene, perfecting the perfect negroni
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Brendan Shi, MD
Hometown: Charlotte, NC
Undergrad Institution: Yale University
Medical School: Johns Hopkins University
Clinical Interests: Periarticular trauma, Shoulder arthroplasty
Hobbies/ Interests: Basketball, cycling, music
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Rishi Trikha, MD
Hometown: Laguna Niguel, CA
Undergrad Institution: University of California, San Diego
Medical School: Icahn School of Medicine at Mount Sinai
Clinical Interests: Sports Medicine, Periprosthetic Infection Prevention, EDI
Hobbies/ Interests: Soccer, Basketball, Food
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Alexander Upfill Brown, MD
Hometown: Houston, TX
Undergrad Institution: Stanford University
Medical School: UCLA David Geffen School of Medicine
Clinical Interests: Spine, Trauma, Oncology, Device design, Clinical research
Hobbies/ Interests: Golf, running, snowboarding, the outdoors, eating and making better pizza, LA restaurants
PGY-4 Residents
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Daniel Chiou, MD
Hometown: Los Angeles, CA
Undergrad Institution: Brown University
Medical School: Brown Medical School
Clinical Interests: trauma and shoulder/elbow
Hobbies/ Interests: guitar
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Varun Gudapati, MD
Hometown: Saratoga
Undergrad Institution: Duke University
Medical School: University of California, Los Angeles
Clinical Interests: I enjoy all orthopedics
Hobbies/ Interests: Skiing, drawing, reading, engineering, biking
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Jennifer Kallini, MD
Hometown: Manhattan Beach, CA
Undergrad Institution: Stanford University
Medical School: Harvard Medical School
Clinical Interests: Upper extremity, trauma, elbow arthroplasty, education, clinical informatics.
Hobbies/ Interests: Piano, beaches, hiking, consumer technology.
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Ryan Ouillette, MD
Hometown: Murrieta, CA
Undergrad Institution: Harvard University
Medical School: University of California, San Diego
Clinical Interests: Arthroplasty, trauma, pediatrics. That feeling when the reduction keys in just right.
Hobbies/ Interests: Surfing, travel, beach volleyball
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Troy Sekimura, MD
Hometown: Kailua, HI
Undergrad Institution: University of Southern California
Medical School: University of California, Los Angeles
Clinical Interests: Arthroplasty, Trauma
Hobbies/ Interests: Tennis, spikeball, snowboarding (poorly)
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Lisa Su, MD
Hometown: Grapevine, Texas
Undergrad Institution: Stanford University
Medical School: University of California, Los Angeles
Clinical Interests: Adult reconstruction, upper extremity, implant and device design
Hobbies/ Interests: Snowboarding, beach-bumming, flag football, music
PGY-3 Residents
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Jordan Holler, MD
Hometown: Louisville, Colorado
Undergrad Institution: University of Illinois at Urbana Champaign (UIUC)
Medical School: University of California San Francisco (UCSF)
Clinical Interests: Trauma, Arthroplasty, Sports, Global Orthopedics, Statistical Modeling
Hobbies/ Personal Interests: Fermentation, hot-sauce crafting, coffee bean roasting, hiking, gardening, spending time with family
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Nicole Newman-Hung, MD
Hometown: Los Angeles, CA
Undergrad Institution: Princeton Unive4rsity
Medical School: University of California, San Francisco
Clinical Interests: Upper Extremity/Hand, Sports, Arthroplasty, Oncology
Hobbies/ Interests: Eating, cooking, and trying new restaurants with my wife and family, traveling, tennis, basketball, spoiling my dog
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Atousa Nourmahnad, MD
Hometown: Villanova, PA
Undergrad Institution: Swarthmore College
Medical School: Harvard Medical School
Clinical Interests: Hand
Hobbies/ Personal Interests: HIIT, pilates, alt rock, Sunday mornings on the couch
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Jeannie Park, MD
Hometown: Pleasanton, CA
Undergrad Institution: Cornell University
Medical School: University of California, Davis
Clinical Interests: Trauma, joints, spine, oncology
Hobbies/ Personal Interests: Hiking , baking, skiing, finding the best breakfast burrito in LA
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Paul Walker, MD
Hometown: Riverside, CA
Undergrad Institution: University of California, Irvine
Medical School: Weill Cornell Medical College
Clinical Interests: Sports, Upper extremity, Pediatrics, Arthroplasty, EDI
Hobbies/ Interests: good eats, traveling, snowboarding, watching Kobe highlights
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Brian Zukotynski, MD
Hometown: Manhattan Beach, CA
Undergrad Institution: University of Southern California
Medical School: University of Southern California, Los Angeles
Clinical Interests: Implant design, clinical informatics, sports, trauma, shoulder/elbow, surgical education.
Hobbies/ Interests: Piano, beaches, hiking, consumer technology
PGY-3 Research Residents
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Thomas Olson, MD
Hometown: Batavia, IL & Colorado Springs, CO
Undergrad Institution: Denison University
Medical School: David Geffen School of Medicine at UCLA
Clinical Interest: Spine, Trauma, Oncology
Hobbies/ Personal Interests: Lifting, escape rooms, skiing, & Netflix
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Mathangi Sridharan, MD
Hometown: Strongsville, OH
Undergrad Institution: The Wharton School of the University of Pennsylvania
Medical School: The Ohio State University College of Medicine
Clinical Interests: Shoulder/elbow, sports, joints, cost effectiveness and clinical outcomes research
Hobbies/ Personal Interests: Peloton, boxing, reading, beach-going
PGY-2 Residents
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Christopher Hamad, MD
Hometown: Houston, Texas
Undergrad Institution: University of California, Los Angeles
Medical School: The University of Texas Health Science Center at Houston, McGovern Medical School
Clinical Interests: Orthopaedic Oncology and Implant Associated Infection
Hobbies/ Interests: Spending time with family and friends, taekwondo, weight lifting, road biking, traveling, anything outdoors, trying new restaurants, grilling/smoking/dry aging meats
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Kellyn Hori, MD
Hometown: San Francisco, CA
Undergrad Institution: University of California, Los Angeles
Medical School: David Geffen School of Medicine at UCLA
Clinical Interests: Sports, Pediatrics, Oncology, Trauma, Arthroplasty
Hobbies/ Interests: Volleyball, golf, baking, houseplants
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Lauren Hsue, MD
Hometown: Mercer Island, WA
Undergrad Institution: Stanford University
Medical School: Oregon Health & Science University
Clinical Interests: Sports, Arthroplasty, Trauma, Pediatrics, Oncology
Hobbies/ Interests: Hosting dinner parties, Peloton, social dance, indie folk music
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Tim Liu, MD
Hometown: Fairfield, CA
Undergrad School: University of California, San Diego
Medical School: University of California, Los Angeles
Clinical Interests: Sports, Pediatrics, Oncology, Trauma, Arthroplasty
Hobbies/ Interests: Fishing, cycling, camping, hiking
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Shannon Wu, MD
Hometown: Arcadia, CA
Undergrad: Stanford University
Medical School: David Geffen School of Medicine at UCLA
Clinical Interests: Sports, Pediatrics, Oncology, Trauma, Arthroplasty
Hobbies/ Interests: Drawing, painting, surfing, yoga, cooking
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Jonathan Yu, MD
Hometown: Seattle, Washington
Undergrad Institution: Yale University
Medical School: Weill Cornell Medical College
Clinical Interests: Adult Reconstruction, Sports, Health Economics, Health Equity
Hobbies/ Interests: Basketball, Cooking, Guitar, Reading, Tennis, Eating
PGY-1 Residents
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Amy Blackburn, MD
Hometown: Livingston, NJ
Undergrad Institution: Northwestern University
Medical School: Brown Medical School
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Chinonyelum "Nonye" Ikeanyi, MD
Hometown: Rancho Cucamonga, CA
Undergrad Institution: MIT
Medical School: CDU/UCLA DGSOM
Clinical Interests: Peds/Trauma/Sports, Public Policy/MedTech
Hobbies/ Interests: Film/TV, Travel, Mixology, & Volleyball
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Brandon Gettleman, MD
Hometown: Thousand Oaks, California
Undergrad Institution: Chapman University
Medical School: University of South Carolina Columbia
Clinical Interests: Orthopaedic Oncology and Joints
Hobbies/ Interests: Playing golf, working out, going to any sporting events, barbequing, traveling, and binge-watching netflix with my wife and dogs
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Carlos Maturana, MD
Hometown: New York City
Undergrad Institution: Columbia University
Medical School: UCLA/Drew
Clinical Interests: Spine, Hand, Shoulder Elbow, Trauma, Biomechanics and Clinical Research
Hobbies/ Interests: Spend time with my wife and kids, also recreational flying if I get some free time!
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Nicole Truong, MD
Hometown: Yorba Linda, CA
Undergrad Institution: University of California, Los Angeles
Medical School: University of California, San Francisco
Clinical Interests: Hand and Upper Extremity, Sports
Hobbies/ Interests: snowboarding, watching sports, traveling, spending time with family and friends, hanging out with my dog
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Mark "Mitch" Herbert, MD
Hometown: Eugene, OR
Undergrad Institution: Montana State University
Medical School: Columbia University Vagelos College of Physicians & Surgeons
Clinical Interests: Sports, shoulder/elbow
Hobbies/Interests: Golf, basketball, traveling, watching movies, spending time with family and friends