WE ARE 100% EMPLOYEE OWNED.
We are 100% Committed to Sharing What we Make with Those that Make it.
WE ARE 100% EMPLOYEE OWNED.
We are 100% Committed to Sharing What we Make with Those that Make it.
- Leadership Team
- Board of Directors
Loren Witkin
A creative and focused leader, Loren has 30+ years of experience in the Environmental, Health, and Safety (EHS) industry, both in the public and private sectors, with numerous state, federal, and industry accreditations and certifications to his name. During his career, Loren has served as a panel member, speaker, and presenter on various EHS matters to universities, public agencies, cities, school districts, and industry conferences nationwide. He held tenure at UCLA as one of the first asbestos/lead program managers in California, where he developed policies relating to the identification and remediation of environmental contaminants for 17+ million square feet of property. He is also a founding member of both the California Medical Association Ad Hoc Committee on Lead and the California Chapter of the National Lead Abatement Council, where he currently takes an active role in the advancement of community awareness for lead poisoning.
Aside from his current CEO duties, Loren devotes his time to sitting on the City of Hope’s LA Real Estate Council, the Downtown Breakfast Club, AJU’s Real Estate Executive Council, and the Central City Association.
Aside from his current CEO duties, Loren devotes his time to sitting on the City of Hope’s LA Real Estate Council, the Downtown Breakfast Club, AJU’s Real Estate Executive Council, and the Central City Association.
Greg S. McIver
Mr. McIver is a Principal Scientist, Co-Practice Lead and is on the Board of Directors at Citadel EHS. Mr. McIver has more than 25 years of experience in the environmental consulting field with a broad range of project experience including phase I/II site assessments, legal support, remedial pilot studies, remedial action design and implementation, vapor mitigation, bioremediation, cost to closure cost modeling, and risk sharing contracting structure. His portfolio includes varies types of industrial facilities, property transaction and redevelopment support, former dry cleaner facilities, fuel and service stations, railroads, DOD tank farms, irrigated lands, mines, and SCAP grants. The focus of Mr. McIver’s experience is successful site closure strategy execution and effective regulatory management. Mr. McIver Co-Founded RMD Environmental Solutions in 2018, which sold to Citadel EHS in December of 2022. Mr. McIver is an active member of the Nevada County Search and Rescue Team.
Simon Turner
Simon Turner was CEO of Healthy Buildings, until June of 2019. He joined Healthy Buildings in 1987 after sales and research experience in the UK and South Africa. Healthy Buildings was sold to Underwriters Laboratories (UL) in June of 2019 at which time he resigned his post to consult as Founder of Building Cognition LLC, advising growing firms in his field.
Turner is an SME in a wide range of indoor environmental disciplines and has a special interest in the relationship between indoor environments and productivity/human cognition. He has been on various global green building technical and steering committees. He currently serves on the BoD for the Green Building Initiative, operators of the GreenGlobes® sustainability programs, and on the Advisory Board for SafeTraces®, among other Board positions. He is a Life Member of the Building Owners and Managers Association (BOMA).
Turner is an SME in a wide range of indoor environmental disciplines and has a special interest in the relationship between indoor environments and productivity/human cognition. He has been on various global green building technical and steering committees. He currently serves on the BoD for the Green Building Initiative, operators of the GreenGlobes® sustainability programs, and on the Advisory Board for SafeTraces®, among other Board positions. He is a Life Member of the Building Owners and Managers Association (BOMA).
Jeff Mistarz
Mr. Mistarz has over 25 years of experience as a CFO guiding rapidly growing, small and mid-sized private and public companies, including a private equity-owned civil engineering firm ranked as the fourth fastest growing firm in the US for two years in a row and 14 years at a NASDAQ listed company. Over his career, Jeff has completed numerous financing transactions of all different forms and multiple M&A transactions.
Jeff is responsible for Citadel’s reporting, financing, M&A, and growth strategy formulation.
Jeff is responsible for Citadel’s reporting, financing, M&A, and growth strategy formulation.
Janet Peters
Ms. Peters has over 35 years of experience in the engineering and environmental consulting industry ranging from Project and Client management to Business Unit and Operational and Divisional Leadership and Board positions. After serving as President of Ensero Solutions, Inc., where she was key in helping the company buy itself out from their former parent and setting up and managing all aspects of the business, she recently moved to a Board of Directors position. Previously, Ms. Peters held executive positions for Arcadis including the Environmental (Resilience) Division Director reporting to the CEO, and Chairman of the Board of the Lovinklaan Foundation, the largest Shareholder of ARCADIS NV. Ms. Peters is well versed in developing and implementing strategic plans providing for company growth, improved client development and satisfaction, and employee satisfaction and retention. She also provides a variety of services for M&A and operational support to companies to ensure short and long-term growth goals are met.