Our Scientific and Medical Team:
Masahide Shiotani, MD, PhD
Asian Egg Bank Co-Founder
Dr. Masahide Shiotani is the co-founder of Asian Egg Bank and Hanabusa
IVF and owner of several fertility clinics in Japan. His medical career
began not long after graduating from the Shimane University School of
Medicine. He began working at the Kyoto University Hospital Department
of Gynecology and Obstetrics and soon joined the IVF team where he began
researching infertility, specifically the implantation process of the
After gaining a wealth of experience in the fertility field, Dr. Shiotani
spent six years working at the Kobe City Medical Center General Hospital.
While there, he had success with the first ICSI baby in Hyogo Prefecture.
After working in fertility practices, he opened his original clinic, the
Hanabusa Women’s Clinic, in Tarumi. Over the following decade, he
went on to open two more women’s clinics in Sannomiya.
Now, Dr. Shiotani manages three, thriving fertility clinics and helps to
run the Hanabusa IVF clinic in San Diego. His years of experience and
research in the field of fertility can now be used to benefit people in
both the United States and Japan.
Lisa Nelson, MSc., ELD (ABB), EMB (ACE)
Laboratory and Tissue Bank Director
Lisa Nelson has an extensive embryology background with over 25 years of
experience and has performed thousands of successful IVF cycles in her
Lisa received her undergraduate degree from Cal Poly Pomona in Animal Science
and her Master’s degree in Biomedical Sciences from Eastern Virginia
Medical School. She is board certified as an Embryology Laboratory Director,
certified by the American Board of Bioanalysts and an Embryologist, certified
by the American College of Embryology. She is highly skilled in all the
latest, state-of-the-art techniques of laboratory management, embryo and
blastocyst culture, micromanipulation and cryopreservation/thaw techniques,
including oocyte freezing for fertility preservation. She has performed
many successful cases involving embryo biopsy and fixation for preimplantation
genetic screening (PGS).
Additionally, her andrology skills include processing and cryopreservation
of testicular and epididymal sperm for use in the treatment of severe
male infertility. She is the president of the Southern California Assisted
Reproductive Biologists, a member of both the American Society of Reproductive
Medicine and the American Board of Bioanalysts and serves as a laboratory
inspector for the College of American Pathologists. In her free time,
Lisa serves as Vice President of Nurtured by Nature, a non-profit dedicated
to connecting children to animals and nature. She also offers her time
and embryology skills to the Institute for Conservation Research-San Diego
Zoo, which fights against the extinction of endangered species.
Marlane Angle, PhD, HCLD
Dr. Angle received her PhD in 1983 from Auburn University in Reproductive
Physiology. She completed two NIH (National Institute of Health)-sponsored
postdoctoral fellowships at universities in Texas and then moved to San
Francisco for her IVF training at the University of California, San Francisco.
She has been licensed as a High Complexity Laboratory Director through
the American Association of Bioanalysts since 1994. She serves as a laboratory
inspector for the College of American Pathologists, participates in several
committees and task forces for ASRM, and is co-owner of International
Reproductive Information and Services, L.L.C. (IRIS).
Dr. Angle became the Laboratory Director at Laurel Fertility Care in 2008
and played a critical role in bringing new technologies to the laboratory.
Although she step down from daily activities in the lab in March 2015,
she remains the Off-Site Laboratory Director and manages the Embryology Staff.
Dr. Angle has published more than 50 scientific articles, book chapters
and abstracts and is an ad hoc reviewer for Fertility and Sterility.
Raymond Peng, PSY.D.
Dr. Peng, Psy.D. earned a Bachelor of Science in Psychology from the University
of California, San Diego. He continued his education at California School
of Professional Psychology earning a Master’s of Arts and Doctorate
of Psychology focused on Clinical Psychology.
Serving as the Secretary of the San Diego Psychological Association and
a member of the American Society of Reproductive Medicine, Dr. Peng has
a great passion in providing and promoting the most up-to-date, researched,
and ethical mental health treatment available.
Dr. Peng specializes in providing Psychological evaluations as well as
long-term psychotherapy to children, adolescents, and adults. His experience
includes individual, couples, family, and group therapy; psychological
testing and intake assessment; development of individual treatment plans;
individual & group therapy to forensic populations with dual diagnoses;
case management and crisis intervention to dually diagnosed and non-English-speaking
Pan-Asian individuals; group therapy for Transitional Aged Youths (TAY);
and behavioral interventions, such as Applied Behavior Analysis (ABA)
and play therapy, to children with autism.
As a first generation immigrant from China, Dr. Peng has gained a unique
full spectrum perspective on the family dynamics, traditions and challenges
faced by American, Pan-Asian, and multicultural families.
An “East meets West” approach is not only a professional ideology
but a personal one as well. In his free time, Dr. Peng enjoys practicing
meditation and yoga regularly, exploring new cuisines, experiencing cultures
through travels from India to Mexico, and taking his adopted puppy out
Infectious Disease Specialist
Dr. Wun-Ling Chang is an Infectious Disease Specliast at Asian Egg Bank
Medical Advisory Board. She completed her Master in Public Health at Johns
Hopkins University, Internal Medicine at University of Alabama at Birmingham,
and Infectious Disease subspecialty at the University of Wisconsin-Madison.
She currently practices as an infectious disease medical consultant at
Scripps Memorial-Hospital La Jolla where she is also Medical Director
of Infection Control and Antibiotic Stewardship. Dr. Chang is President
& CEO of a nonprofit research institute, the La Jolla Infectious Disease
Institute, whose research is focused on cerebral malaria pathogenesis,
and developing adjunctive therapy to improve outcome of this devastating
complication of severe malaria.
Yuan Cheng, PhD
Senior Embryologist – Cryobiology Supervisor
Yuan Cheng 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.
Time Magazine named IVA a top-10 medical breakthrough of 2013, and it is currently in
clinical trials. Patients with Primary Ovarian Insufficiency (POI) who
have been treated with IVA have given birth to several healthy babies.
Yuan completed her training in Hanabusa Women’s Clinic in Kobe, and
she is fluent in Chinese, Japanese and English. She is the author of several
research studies published in leading fertility journals, and she holds
a number of honors, including Lalor Foundation, Hirore and Takenaka Fellowships.
Lizeth Barrientos, MSc
Senior Embryologist - Technical 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. Lizeth then went on to be the
Laboratory Director of NHFC, Guadalajara (2009-2015) and a Laboratory
Consultant at NHFC, Mexico City (2014-2015) before joining Hanabusa IVF
in 2016. She assisted with the design and set up of the first Mini IVF
laboratory in Guadalajara, and was directly involved with the design,
equipment selection and set up of the most modern embryology and andrology
laboratory in Mexico City.
Lizeth is a member of the American Society for Reproductive Medicine, the
American Association of Bioanalysis, the Southern California Assisted
Reproductive Biologists, the Fertility and Sterility Journal Club Global,
and the Genetic Summit Journal Club Live. She is also an applicant for
AAB certification as Technical Supervisor. Lizeth is also coauthor of
the first Mini IVF book,
Textbook of Minimal Stimulation IVF.