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Our Laboratory Team

Fertility Lab in San Diego

Meet the fertility lab experts of Hanabusa IVF. Our team includes embryologists, research scientist, lab director, supervisors, and bioanalysts, each upholding rigorous lab standards to ensure all specimens remain healthy.

Lisa Nelson, MSc., ELD (ABB), EMB (ACE)

Embryology Laboratory Director

Lisa Nelson has an extensive embryology background with over 25 years of experience and has performed thousands of successful IVF cycles in her distinguished career. Read More...

Yuan Cheng, PhD

Senior Embryologist

Yuan Cheng is a Senior Embryologist at Hanabusa IVF. She earned her PhD from the University of Tokyo and then worked as a postdoctoral fellow at Stanford University. Yuan’s research focuses on the ovary, and she discovered the underlying mechanisms of ovarian wedge resection, a discovery leading to the development of a new infertility treatment called “In-Vitro Activation” or IVA. Read More...

Lizeth Barrientos, MSc

Laboratory Supervisor

Lizeth Barrientos, a Laboratory Supervisor at Hanabusa IVF, earned her MSc degree from the Monterrey Institute of Technology and Higher Education. She also holds a BSc degree from the University of Guadalajara. She completed her training at New Hope Fertility Center (NHFC) in New York where she developed her excellent embryology skills. Read More...

Kaitlin Johnson, MSc


Kaitlin Johnson is an Embryologist at Hanabusa IVF. She moved to San Diego in 2011 after completing her degree in Animal Science at the University of Maryland. She spent five years as a researcher for the San Diego Zoo Institute for Conservation Research before coming to Hanabusa IVF in 2016. Read More...

Patient Testimonials
  • "As doctors go, Dr. Chang is probably my biggest hero. He did not rush through our visits. He took the time to answer our questions (and I always had lots). He explained things clearly but simply. He ..."

    - Submitted By Anonymous
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  • "Dr. Chang is different from other doctors, especially in the IVF field. He listened to us with an open mind. For five years we struggled to conceive. We met doctor after doctor and the failures and ..."

    - Submitted By J&J
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  • "On my long and difficult journey to motherhood I could not have imagined a better doctor than Dr. Chang and I consider myself incredibly lucky that I found him. Before joining his clinic as a patient, ..."

    - Submitted By HR
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  • "I also want to thank you for all you’ve done for us. These past few years have been remarkably trying, and yet the arrival of our child made it all worthwhile. When I think of what a great physician ..."

    - Submitted By BT
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  • "Omg Dr. Chang!!! I’m so, so sad to hear that you’re leaving NY!!!! I wanted you to do my transfer next spring 🙁 Hanabusa IVF is so lucky to have you!! You have been amazing to us. Had it not been for ..."

    - Submitted By KT
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  • "Thank you Dr. Chang!!! After struggling for close to five years, we finally have our baby girl! Dr. Chang guided us through the entire process. He was always willing to take the time to talk with my ..."

    - Submitted By Anonymous
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  • "After hours of research about IVF, I found that most websites had a limited amount of information buried under the same repro center promises and static websites. Finding Hanabusa IVF’s site piqued my ..."

    - Submitted By JH
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  • "Me and my family have a deep appreciation for the care and treatment provided at Hanabusa IVF. When I first presented to Hanabusa IVF, I was physically, mentally, and emotionally drained from over a ..."

    - Submitted By Anonymous
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