Olivenhain Municipal Water District holds itself to the highest standards when it comes to efficiency, fiscal accountability, and transparent government. OMWD operations are governed by its Administrative and Ethics Code.


Executive Team


Kimberly A. Thorner, General Manager

Ms. Thorner began her tenure with OMWD in October 1996 and was unanimously selected by the Board of Directors to become OMWD’s fourth general manager beginning January 1, 2007. She earned a bachelor’s degree in political science from the University of Colorado (Boulder) and a juris doctor from Thomas Jefferson School of Law in San Diego. She is a licensed attorney in the State of California, a Special District Leadership Foundation Certified Special District Manager, and has completed SDLF’s Special District Leadership Academy.

Currently, Ms. Thorner serves as Chair of the San Diego Local Agency Formation Commission’s Special Districts Advisory Committee, is a member of the San Diego Integrated Regional Water Management Advisory Committee, and serves on the WateReuse California Board of Trustees. Previously, Ms. Thorner served as OMWD’s representative to the San Diego County Water Authority, serving on the Audit, Administrative and Finance, and Engineering and Operations committees. She has also served as the Project Manager for the David C. McCollom Water Treatment Plant, a member of the American Membrane Technology Association’s board of directors, as a state and federal registered lobbyist, and six terms as a member of the Association of California Water Agencies Federal Affairs Committee. She resides in Carlsbad with her two daughters, and serves on several local community and non-profit boards.

Joey Randall,

Assistant General Manager

Mr. Randall has served at OMWD since June 2003, and joined the executive team in 2014. He currently oversees OMWD’s Engineering, Operations, and Customer Services Departments. Mr. Randall began his tenure with OMWD as a Park Ranger, and also spent time as Park Supervisor, Management Analyst Supervisor, and Customer Services Manager before assuming his current position. Mr. Randall holds a bachelor’s degree from National University. A native of coastal North County, Mr. Randall enjoys living in the area with his wife and two children. He is very active in the community, serving as a youth sports coach in addition to volunteering for various local non-profit organizations.

Rainy Selamat,

Finance Manager

Ms. Selamat began her tenure with OMWD in March 1997. As the Finance Manager, she is responsible for the accounting and finance functions at OMWD. Prior to joining OMWD, Ms. Selamat had more than five years of accounting experience in the private sector. She graduated with a bachelor of science in accounting from San Diego State University and successfully passed all parts of the CPA examination.

Jennifer Joslin,

Human Resources Manager

Ms. Joslin began her career with OMWD in 2007. As Human Resources Manager, she is responsible for providing leadership in employee and labor relations, classification and compensation, recruitment and selection, employee benefit programs, safety and risk management, policy development, filing officer duties, records and contracts, and training. Ms. Joslin earned a bachelor’s degree in psychology and a master’s degree in industrial/organizational psychology from San Diego State University. She holds certifications from both the International Public Management Association for Human Resources and the Society for Human Resource Management as a Senior Certified Human Resources Professional.

John Carnegie,

Customer Services Manager

Mr. Carnegie began his tenure with OMWD in 2006, and joined the executive team in 2017. He currently manages OMWD’s customer service, meter maintenance/reading, public affairs, grants, and park functions. Mr. Carnegie holds a bachelor’s degree from the University of California, Los Angeles, a master’s degree from the University of San Diego, and California water distribution operator certification.

Lindsey Stephenson

Engineering Manager

Mrs. Stephenson joined the OMWD executive team in 2022. She is responsible for managing OMWD’s engineering services, including capital improvements, development projects, inspection, and right of way. Mrs. Stephenson has nearly 15 years of water, recycled water, and wastewater engineering experience, including experience at other public agencies and in consulting prior to joining OMWD. She holds a bachelor’s degree in civil engineering from UC Davis, a master’s degree in environmental engineering from the University of Florida, and registration as a California Professional Engineer. She resides in Carlsbad with her family.

Jesse Bartlett-May

Operations Manager

Joining OMWD’s executive team in 2023, Mr. Bartlett-May is responsible for managing OMWD’s water treatment, water reclamation, water distribution, construction, information technology, and technical maintenance functions. He holds a bachelor’s degree in public administration from Ashford University and a Water Resources Management and Leadership Certificate from California State University San Marcos. Mr. Bartlett-May has over 13 years of experience in public agency and private sector water operations. A San Diego native, he enjoys spending time outdoors with his wife and two children.