CHPSO staff


Michelle Newsom, RN
Safety and Reliability Clinical Advisor

Michelle Newsom joined HQI in 2021 as a Safety and Reliability Clinical Advisor. She earned her BSN from CSU Bakersfield and began her nursing career in Labor and Delivery in 2012. In 2019, she obtained her MSN in Nursing Administration from Aspen University. Michelle has 6 years of patient care experience and over 3 years of utilization management experience. During her time in patient and care utilization review, she became interested in patient safety and informatics.

(916) 552-7614

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

Vivian Eusebio, RN, PHN, MBA
Patient Safety Clinical Advisor

Vivian earned a BSN from UCSF and began a career in ER Nursing.  After working in acute care for 13 years and during the dot com period, she became interested in IT.   She has over a decade of experience in Programming, Reporting and Data Analytics and Informatics.  Her current role as “Patient Safety Clinical Advisor” in CHPSO is the perfect harmony of “clinical” and “analytics” and where translating clinical practice information and improving patient care intersect.

(916) 291-4542
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

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