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Local Leadership

At Waste Management, our local leadership team is committed to community partnerships, innovation, and providing outstanding service to our more than 82,000 residential and commercial/industrial customers. Encompassing the highest levels of experience, expertise and ethical standards, WM is committed to providing the value, reliability and service that customers of WM expect and deserve.


Ventura Market Area


Michael E. Smith
Director of Operations

Mike has worked in the trash and recycling industry for over 37 years. Mike is responsible for the day-to-day management, leadership, and strategic planning for the trash hauling operations in Ventura, Los Angeles, Santa Barbara and San Luis Obispo County areas.

Mike has volunteered countless hours in the community over the years. He currently serves as a board member on the Simi Valley Cultural Arts Foundation and the Simi Valley Police Foundation.

Mike is well known respected in the community for putting customers first.


Marilyn Gallagher
Government Affairs / Recycling

Marilyn has worked in the waste industry since 1991. In Marilyn's role, she coordinates with city and county officials to maintain contract compliance, administer monthly recycle reports for AB939 and monitors the recycle operations between GI and local transfer stations. Marilyn coordinates community service projects including Oil Recycling sites, State of California redemption revenues and local events. Marilyn works with community leaders and government officials to develop programs to increase recycling and supports community groups with outreach programs, charitable giving and partnerships.


Tom Jacobellis
Sales & Business Development Manager
(805) 955-4346 Office * (805) 207-1384

Tom has 17 years experience in the waste industry and over 30 years in sales and business development. Tom manages customer retention and implements new recycling programs for businesses. A resident of Agoura Hills for more than thirty years serves on the board of local sports organizations, assists with special projects for the cities of Agoura Hills, Westlake Village, Thousand Oaks, Calabasas, Simi Valley, Moorpark and Malibu.


Lisa Hemenway
Community Relations Manager

Lisa has been with Waste Management for more than 19 years. Currently, she is responsible for heading the company's community outreach efforts and helping residents and businesses increase their recycling efforts.

She also is conducts tours at the Simi Valley Landfill for residents to gain a better understanding of where your trash goes and the importance of recycling.

Lisa was raised in Simi Valley and attended elementary, middle and high school locally. She is a graduate of Moorpark College and is currently majoring in business administration at the University of Phoenix.

She currently serves as a Board of Director for the Chamber of Commerce and is very active in the community.


Simi Valley Landfill and Recycling Center


Scott Tignac
District Manager - Simi Valley Landfill and Recycling Center

Scott has 24 years of experience in the waste industry. He has managed landfill and recycling operations in both Ventura and Los Angeles.

Scott has lived in Simi Valley for 37 years and has a BS in business management from CLU. He serves on the board of the Simi Valley Boys & Girls Club and is a member of Simi Valley Kiwanis Club.


Jim Riley
Environmental Engineer

Jim Riley has been with Waste Management for ten years. As the Environmental Compliance Manager, Jim is responsible for ensuring that landfill operations are performed in accordance with all Federal, State and local laws and regulations. The SVLRC has numerous operating permits and regulatory requirements. Among them are the landfill's Solid Waste Facility Permit (issued by the California Integrated Waste Management Board), Waste Discharge Requirements (issued by the Los Angeles Regional Water Quality Control Board), Conditional Use Permit (issued by Ventura County Resource Management Agency) and Title V Air Quality Operating Permit (issued by the Ventura County Air Pollution Control District). Jim works closely with the regulatory agencies to guarantee the landfill's compliance and has successfully maintained the landfill's good standing.

Prior to coming to Waste Management, Jim worked under contract for the United States and was responsible for programs involved with environmental compliance, pollution prevention, CERCLA site cleanups and restoration. He ran a successful environmental department for 10 years, developed excellent relationships with regulatory agencies and received numerous commendations from high-ranking officials.

Jim volunteers in the community and serves on the Simi Valley Education Foundation board.


Bruce Matlock
Environmental Specialist

Bruce has been with Waste Management for 20 years. He is responsible for ensuring the Simi Valley Landfill and Recycling Center is in compliance with the many federal, state and local permits that regulate landfill operations. He is also responsible for managing the landfill gas collection system.

Bruce started his career with WM as an Environmental Technician, performing groundwater and air monitoring and reporting at various Southern California landfill sites. He was recruited into Landfill Operations Supervision in 1996 and moved to Environmental Compliance, Health and Safety Supervision in 2001.

Bruce has a bachelor's degree from California State University, Northridge and has completed a two-year UCLA Extension Program in Site Investigation and Remediation. In 1998, he was certified as a manager of landfill operations by the Solid Waste Association of North America.

He was born and raised in Simi Valley and has lived there for the past 29 years.


Lee R. Carter
Operations Supervisor

Lee has been with Waste Management for 21 years. He is responsible for the day-to-day operations of the landfill, and is certified by SWANA (Solid Waste Association of North America) as a manager of landfill operations. His responsibilities include maintaining the safety of the landfill and assuring compliance with Federal, State, and local regulations.

Lee has lived in Ventura County for over 36 years.


Marisela Clemente
Operations Specialist

Marisela has been with Waste Management for 10 years. She provides support to the District Manager, Operations Supervisor and Engineer. She also assists in troubleshooting and resolving safety, service and operational issues.