John Sim is an experienced Area Manager currently employed at SBM Management Services, LP since 2022. They previously held positions including District Manager at ABM Janitorial Services from 2007 to 2013, and Zone Manager at Kellermeyer Bergensons Services, LLC from 2018 to 2021. John also served as a Regional Operations Manager at Controlled Contamination Services between 2015 and 2016, and was an Account Manager at both PE Facility Solutions, LLC and The Business Cleaning Company Inc. in 2018 and 2022, respectively. Their diverse background reflects a strong focus on facility management and operations.
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