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you're in good company

why mate?

one stop fertility
is finally here.

we are

expert + friendly

simple + comprehensive

advanced + affordable

human + tech-enabled

for you + for all


at mate our team is your team.

Dr. Jeffrey Steinberg

dr. steinberg, md, facog

chief medical officer

dr. steinberg completed his residency in obstetrics and gynecology at rush university medical center in chicago, il and his fellowship in reproductive endocrinology at the university of california san diego.

dr. steinberg has over 37 years of experience in infertility. his initial training took place at bourne hall clinic at cambridge university in england, the birthplace of ivf. he studied under the team that won the nobel prize. he is the founder and director of the fertility institutes, the director of gynecology reproductive endocrine and pcos services at the student health center at cal state northridge and serves as a clinical instructor at the david geffen school of medicine at ucla.

Dr. Schmidt Mate Fertility 2

dr. schmidt

reproductive endocrinologist, md, facog

dr. schmidt is a graduate of new york university school of medicine. she completed her obstetrics/gynecology residency and her clinical and research fellowship in reproductive endocrinology infertility at new york university medical center. her pioneering work in ivf and assisted reproductive technologies (art) began in 1982 as a faculty member at the university of texas medical school at houston, one of the first three ivf facilities in the united states.

she then established successful ivf centers at the university of connecticut (1985-1986), the university of medicine and dentistry of new jersey (1986-1991), new york university (1991-1995), and the offices for fertility and reproductive medicine (1995-present). she also helped to initiate egg donation programs at the last three of these centers and was responsible for the first successful pregnancy on the east coast using donor oocytes. she has authored numerous research articles and book chapters in the area of endometriosis, polycystic ovarian syndrome, infertility treatment, and assisted reproductive technology.

Lori Mate Fertility

lori whalen

fertility nurse

lori received her associates degree from orange coast college with a minor is psychology. she graduated with her lvn and rn from rancho santiago college. lori whalen has been a fertility nurse for 24 years and brings her attention to detail and breadth of experience to the mate team. lori delivers a level of empathy and kindness in all her patient interactions that is unmatched. throughout her lustrous career in the fertility world she has been a part of numerous executive advisory boards, and has taken part in a multitude of speaker programs, where she traveled the nation speaking to nurses, doctors, and embryologists on all things fertility.

she has traveled all around the world to see and learn how international fertility clinics are run. she has worked with a number of donor and surrogacy agencies, coordinating all treatments for international and out of state donors. she has spoken at all of the major fertility conferences in the us and in europe, including eshe. in the fertility world, we like to say all roads lead back to lori.

christine kosak

fertility nurse

christine kosak received her bachelor of science in nursing, graduating with honors from west coast university in los angeles, california. she is currently pursuing her master’s degree and will graduate in august of 2021 with a master of science in nurse leadership. she has an extensive background in women’s health. throughout her career she has worked with certified nurse midwives in birth centers, on the labor & delivery floor, as a postpartum nurse in hospitals, and as a fertility nurse in some of the top clinics around los angeles.

deeply committed to the patient experience, christine gently guided her patients along their fertility journey with kindness and empathy. she is enthusiastic, motivated, and responsive to the individual patient’s needs, as she understands each patient’s journey is unique. she is a lifelong learner and change agent who is always seeking ways to improve the quality and delivery of healthcare.

fertility treatment for up to 40% less than other providers.

now open
oklahoma city