Diandra Benjamin is O&B’s PAD office manager, unofficially “knower of all the things,” keeping the PAD office running smoothly at all times. She began her career at the Lawrence Livermore National Laboratory in 2006 within O&B’s Business Directorate and has held operations and administrative positions in both O&B and Computing throughout her career. She holds a Bachelor of Science in Business Administration from California State University East Bay.

Diandra is an avid sports fan — she’s been to three Warriors NBA Finals games and a San Francisco Giants World Series game — but she’s the biggest fan of her children: her daughter is in competitive dance and her son plays baseball, basketball, volleyball, and flag football. When she’s not attending sporting events, Diandra is probably traveling — she’s been to 20 states and 8 countries, but her favorite place is her family’s home island of Kauai.

After graduation in 1982 and working in commercial nuclear power as a reactor physicist, David Heinrichs transitioned to criticality safety at the Rocky Flats Plant. In 1991 David joined LLNL as a criticality safety engineer and since 2006 has served as the Division Leader responsible for the LLNL Criticality Safety Program.

David is an elected member of the Department of Energy’s Criticality Safety Support Group (CSSG) and Nuclear Data Advisory Group (NDAG). He is also the National Nuclear Security Administration point of contact for JOWOG-30-23 (criticality safety) and a lifetime member of the American Nuclear Society (ANS).

David’s research interests include criticality safety, reactor physics, radiation shielding and dosimetry and particle transport and its underlying nuclear data. He is the responsible manager for LLNL’s COG code.

Alex Leung comes from a commercial general contracting background, and is experienced in the design-build model, where the project has one entity taking care of designing and building as a team, rather than hiring an architect and builder in succession.

He’s managed ground up construction like a new Whole Foods Market in Roseville or the Student Wellness Center at SJSU, worked on tenant improvement projects like Verizon Innovation Center in San Francisco and renovated infrastructure for large companies like Union Bank HQ.

Leung later switched to the owner representation side of construction, and after working as a senior project manager at San Jose State, he came to the Lab about five years ago as a construction manager.

Alex earned his undergrad degree at UC Davis and his MS in Construction Management at CSU East Bay.

Cindy McAneney oversees the Asset Management Department’s diverse operations. In her past 31 years at the Lab, Cindy has worked in business operations, security management and personnel management, including managing the LLNS corporate office for seven years before moving to the Business Directorate. She also spent 16 years in the Security Organization and three years in Laser Programs.

Born and raised in Tracy, California, Cindy grew up listening to the interesting sounds emanating from Site 300. She was drawn to the mission, people and opportunities within the Lab, and enjoys being involved in work that enhances the country’s security.

A burgeoning running enthusiast, Cindy has run several 3K/5K races and half marathons in recent years, including across the Golden Gate Bridge and Bay Bridge.

Officer Emil Pasion was born in Manila and came to the U.S. at six years old. He emerged from an upbringing on San Jose’s eastside with pride in the adversity he faced growing up.

He served in the U.S. Marine Corps from 2009–2013, with one deployment in Sangin, Afghanistan in 2011, and another on the USS Peleliu as part of the Battalion Landing Team for the 15th Marine Expeditionary Force–5th Fleet’s Crisis Response Force. The vessel went to Southeast Asia, the Middle East and East Africa, and Pasion worked on humanitarian issues and trained with local forces.

After serving in the Marines, Pasion went back to school to earn his B.A. in history and was planning to become a historian. Then, based on his previous role as an infantryman in the Marines, he was recruited by Sandia, where he worked from 2018-19. He transferred to LLNL in 2019.

Phil Weiss joined LLNL and the Office of the Chief Financial Officer in August 2019. Before coming to LLNL he was the Talent and Workplace Services Manager at Lawrence Berkeley National Laboratory since 2008.

He has over 35 years of training and development experience in government, high-tech and pharmaceutical industries. Phil holds a B.S. in Business Management from University of Phoenix, an M.A. in Business Administration from University of Maryland and a Ph.D. in Business Administration from Walden University.

Phil has been a Livermore resident for over 20 years and has served in various community service roles in Livermore and the Bay Area including volunteering for the Boy Scouts of America and the Livermore School District. He is married, has two sons and a black labrador named Wiggles and he loves to travel.

Colin Yamaoka is a Livermore Laboratory Employee Services Association (LLESA) Program Manager and spends his day helping people improve their work-life balance by creating recreational, educational and convenience programs and services to strengthen the connection, rejuvenate the workday and enrich the lives of the employees at Lawrence Livermore National Laboratory (LLNL).

As the LLESA program manager, Colin oversees over 40 employee networking groups, manages the LLESA front office team, coordinates many charitable giving opportunities throughout the year, creates virtual engagement opportunities and manages several of the special events held on-site. Colin was recognized in 2019 with the Game Changer award by Workforce Magazine for "thinking outside the box and for going above and beyond to entice prospective employees to the Laboratory and to increase engagement with the workforce." Colin also received the 2020 Director's Diversity, Equity and Inclusion Award from LLNL for creating an experiential learning activity focused on developing inclusive behaviors. Colin continually strives to improve and create different and new ways to get people out of their daily routine to enjoy and connect with one another both in-person and virtually.

With his job focus on developing programs to support work/life balance, it is not surprising that Colin has many interests outside of work. He enjoys singing and playing music, camping and playing board games with his wife and two sons.

As the Deputy Associate Director for Infrastructure and Operations, Harold supports Associate Director Ed Horton in the strategic planning, development, sustainability and management for the Emergency Management, Environmental Restoration and Infrastructure Departments. He assists the Associate Director with critical planning, budgeting, maintenance and operations as well as many other functionalities for Site 200 and 300 to maintain and uphold the Laboratory’s critical mission.

Harold has over 25 years of service in the utility and government sectors. He has significant experience and leadership in maintenance, construction, project management, engineering, work management, operations, emergency management and safety. In his most recent role as the Infrastructure Operations Associate Labs Director and Chief Security Officer for Sandia National Laboratories, Harold led four centers: Strategic Planning and Capital Acquisitions, Safeguards and Security, Infrastructure Services, and Facilities Management and Engineering.

After graduating from the U.S. Naval Academy with a B.S. in Marine Engineering, Harold served as a naval officer on two nuclear-powered submarines. Harold also holds an MBA from Tulane University.