Sandy Liu, MD, Co-Founder – Chief Medical Officer

Dr. Liu is a Co-Founder of Vista Biomedical™. She graduated from Rush Medical College and completed her pediatric residency training and chief residency at the University of Minnesota. Dr. Liu is a board-certified pediatrician and is completing a fellowship in Pediatric Endocrinology at the University of Minnesota. She also holds a B.S. in bioengineering with a concentration in cellular engineering from the University of Pittsburgh. Dr. Liu has 10 years research experience and has direct experience in the medical device industry prior to medical school. She was an Innovations Fellow at the University of Minnesota, Earl E. Bakken Medical Devices Center.

Hongyu Zhao, M.D.  hongyuz88@gmail.com 

Professional Experience

2020-2021  Hospitalist

Kaiser Permanente Northern California, Santa Clara, California

2023-ongoing Nehphrologist

Kaiser Permanente Southern California, Downey, California

Postgraduate Training

2017-2020  Residency in Internal Medicine

Kaiser Permanente Northern California, Santa Clara, California

2021-2023  Fellowship in Nephrology

University of California, Irvine

Education

2007-2010 B.A. in Public Health

University of California – Berkeley, Berkeley, CA

2010-2012 Post-Baccalaureate in Life Science

Charles Drew University, Los Angeles, CA

2013-2017 M.D. at Rush Medical College, Chicago, IL

License & Certification

ABIM Certified in Internal Medicine  Dec, 2030

Medical Board of California License  A157856

Poster/Presentation

Feb 29, 2019  Grand Round: Procalcitonin-guided antibiotic use for lower respiratory tract infection

June 8, 2020  Resident Research Symposium: Embedded Peritoneal Dialysis Catheter Primary Patency: A Single Medical Center Experience

Quality Improvement project

  1. Resident Evaluation Process Improvement

  2. Reconstruction of Noon Conference and Pre-Clinic Didactics

  3. Introduction to Financial Wellness Lecture Series

Publication

Research Publications

1.Christopher Barrett , Kevin Alexander , Hongyu Zhao , Francois Haddad , Paul Cheng , Ronglih Liao , Matthew Wheeler , Michaela Liedtke , Stanley Schrier , Sally Arai , Dana

Weisshaar, Ronald Witteles. Outcomes in Patients with Cardiac Amyloidosis Undergoing Heart Transplantation. JACC Heart Fail. 2020;8(6):461‐468.

doi:10.1016/j.jchf.2019.12.013

2. Chung MP, Kolstad KD, Dontsi M, Postlethwaite D, Manwani P, Zhao H, Kesh S, Simard JF, Chung L. Increased Rates of Obstetric Complications Prior to Systemic Sclerosis

Diagnosis. Arthritis Care Res (Hoboken). 2020 Dec 8. doi: 10.1002/acr.24533 

3.Izadyar F, Wong J, Maki C, Pacchiarotti J, Ramos T, Howerton K, Yuen C, Greilach S, Zhao Hongyu H, Chow M, Chow YC, Rao J, Barritt J, Bar-Chama N, Copperman A.

Identification and characterization of repopulating spermatogonial stem cells from the adult human testis. Hum Reprod. 2011 Jun;26(6):1296-306. Epub 2011 Feb 23. PubMed

PMID: 21349855. 

Abstract Publications 

  1. Hongyu Zhao, Chi-Mei Liu, Fu Mei S Chu, Chitra Reddy. Embedded Peritoneal Dialysis Catheter Primary Patency: A Single Medical Center Experience. ISPD EuroPD 2020 Conference Poster presentation March, 2021 

  2. Chung M, Zhao H, Kolstad K, Manwani P, Dontsi M, Postlewaite D, Simard J, Chung L. Obstetric complications prior to systemic sclerosis diagnosis [abstract]. 6th Systemic Sclerosis World Congress. July 2020. Prague, Czech Republic. 

  3. Mary Caroline Nally, MD; Shauna M Sheppard, MD; Hongyu Zhao, BS; John C Kubasiak, MD; Jennifer Poirier, PhD; Daniel J Deziel, MD; Samir K Gupta, MD. Use of NSQIP Risk Calculator to Determine Treatment of Acute Cholecystitis. SAGES 2016 Meeting 

  4. Thomas V Ramos, Jason Pacchiarotti, Hongyu Zhao, Kyle Howerton, Scott Greilach, Karina Zaragoza, Marnie Olmstead, Tracie Dang, Yiping Kao, Connie Yuen, John Yung-Chiong Chow, Jianyu Rao, and Fari Izadyar. Identification and Characterization of Stem Cells in Primate Ovary [Abstract]. In: The Oncofertility Consortium Conference 2011; September 12-14, 2011; Prentice Women’s Hospital, Chicago, Illinois. P14. Poster 10 

  5. Kyle Howerton, Scott Greilach, Jason Pacchiarotti, Thomas V Ramos, Karina Zaragoza, Mamie Olmstead, Connie Yuen, Hongyu Zhao, Tracie Dang, Andrew Raol, Michelle Chow, Yiping Kao, John Yung-Chiong Chow, Jianyu RaoJ, and Fari Izadyarl. Development of a potency assay for mouse spermatogonial stem cells (SSCs) [Abstract]. Journal of Assisted Reproduction and Genetics, Vol 28, Number 11, Novemeber 2011 p992-993 

  6. Jason Paccniarotti, Kyle Howerton , Scot Greilach, Karina Zaragoza, Mamie Olmstead, Connie Yuen, Hongyu Zhao, Tracie Dang, Michelle Chow, Yiheng Chen, John Yung-Chiong Chow, Jianyu Rao, and Fari Izadyarl. Isolation and cryopreservation efficiency of cells obtained from prepubertal and adult testes [Abstract]. Journal of Assisted Reproduction and Genetics, Vol 28, Number 11, Novemeber 2011 p993 

  7. Scott Greilach, Jason Pacchiarotti, Thomas V Ramos, Kyle Howerton, Karina Zaragoza, Mamie Olmstead, Connie Yuen, Hongyu Zhao, Tracie Dang, Michelle Chow, Andrew Rao, Yiheng Chen, John Yung-Chiong Chow, Jianyu Rao, and Fari Izadyarl. Chemotherapy depletes testicular germ cells and has a detrimental effect on male fertility [Abstract]. Journal of Assisted Reproduction and Genetics, Vol 28, Number 11, November 2011 p1044 

Book Chapter 

  1. Dawei Ye, Pingping Gu, Hongyu Zhao, Michelle Chow, Xiaoqing Guo, and Jianyu Rao.(2012) Evidence-Based Anticancer Materia Medica for Bladder Cancer [Chapter 10]. Evidence-Based Anticancer Complementary and Alternative Medicine Vol2: Materia Medica for Various Cancer. (p 195-209). New York, New York. Springer Dordrecht Heidelberg London. 

Professional leadership & Community service 

2014-2015 APAMSA Community Service Chair 

Rush Medical College, Chicago, IL 

2014-2015 Chicago City Church Free Clinic Volunteer 

Rush Medical College, Chicago, IL 

2014-2015 NLVS Free Clinic Patient Service Volunteer 

Rush Medical College, Chicago, IL 

2020-ongoing ASN 

Professional membership & Honors 

  • Asian Pacific American Medical Student Association, 2013 – present Regional conference, Rush Medical College, Chicago IL, April 2013 

    • Regional conference, Rush Medical College, Chicago IL, April 2013 

    • National conference, Nevada Medical School, Las Vegas, NV, September 2014 

  • American College of Physicians, 2013 – present 

  • Phi Delta Epsilon, Medical Fraternity, 2007-2010 

  • American Association of Nephrology, 2021- present