CHPSO staff


Asma Ahmad

Asma has over 15 years of administrative Coordinator support experience, including ten years supporting executives. Her experience includes project coordination, documentation control, and database management. She has a strong background in customer service. Asma supports CHPSO with member contract and database management, team calendar coordination, presentation development and travel arrangements.

(916) 552-7651
Board and Staff

Robert Imhoff

Imhoff joins HQI after heading the Maryland Patient Safety Center for seven years. As President and CEO there, he successfully partnered with hospitals to lead multiple improvement efforts, including their perinatal/neonatal quality collaborative, sepsis mortality reduction, falls reduction, and one of the most rigorous hand hygiene compliance programs in the nation. He also led efforts to pilot both an emotional support program for health care providers called “Caring for the Caregiver” and a patient safety certification program for hospitals.

(916) 552-2600
Board and Staff

Lexie Li

Lexie Li has devoted her career on data analysis in healthcare area upon graduating from UC Davis with a master’s degree in Biostatistics and from SWUFE, China with a bachelor’s degree in Statistics. She worked as a Senior Biostatistician in CALNOC for two years in nurse sensitive endorsed measures research and developing new interactive data reporting system. In HQI, Lexie works on designing signal detection methods on finding unusual data patterns in both HQIP and CHPSO database using cutting-edge machine learning and statistics methods.

(916) 552-7615
Board and Staff

Barbara Pon, PhD, RN
Vice President, Operations

Barbara has over 25 years of experience in health care. She spent many years providing direct patient care, primarily in obstetrics, before transitioning to clinical informatics. Barbara brings a wealth of knowledge regarding the electronic health record on topics ranging from the end-user workflow perspective to data extraction. Barbara has experience with both qualitative and quantitative research methods. She obtained her Masters and her PhD in Nursing Science Healthcare Leadership from the Betty Irene Moore School of Nursing at UC Davis.

(916) 552-7614
Board and Staff

Tim Rehwald
SQL Server & DBA Programmer

Tim has 34 years of in-depth experience in information technology across many knowledge domains. That expertise includes a focus on databases, system performance, virtualization, security, and programming. He has written dozens of management and monitoring tools and maintains 11 professional and technical certifications. Tim supports the CHPSO application/database pipeline and helps keep the larger Hospital Quality Institute (HQI) back-end infrastructure running properly.

(916) 552-7566