Nationwide Locations Throughout US and Canada reach out to an experienced specialists near you

With nationwide locations in US and Canada, we can guarantee a dedicated and experienced specialists will evaluate present environmental due diligence needs for your commercial property, make recommendations for improvements, and help to grow your business.  To find the specialist in your area, use the interactive map below for a full directory.

United States


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Meet our Team

Don Kellar

CEO & National Director

Don is a Professional Licensed Geologist in CA, FL, and TX and is also in charge of client relationships throughout the country. Don is responsible for business development as well as sharing technical expertise to clients, and mentoring clients, students, and junior staff. Don’s background revolves around real estate due-diligence and site remediation. Don is also an accomplished musician and martial artist.

Ling (Caroline) Cao

President & Principal Consultant

Ling has an extensive background in industrial hygiene and oversees the operations and systems at Fulcrum, as well as assists clients with technical expertise on industrial hygiene issues as they relate to real estate due-diligence, site remediation, and/or demolition. Ling holds numerous licenses related to asbestos, lead-based paint, and mold testing. Ling enjoys dancing, art, and is also an accomplished martial artist as well.

Bryan Miles

Senior Geologist

A Professional Licensed Geologist (CA + WA) with 16 years of experience in environmental assessment and remediation, Bryan brings expertise from his extensive background to Fulcrum.

Outside the office, Bryan is a musician who enjoys surfing, trail running, and being a father.

Christina Vickers

Regional Director & Project Manager

Christina is in charge of business development, client interaction and project management, operating out of Fulcrum’s southwest regional office in Phoenix, Arizona.

In her spare time, Christina enjoys running, hiking, and traveling.

Darren Johnston

Director of Energy

A recognized community leader in Boulder, Darren has been the CEO, COO, CFO of various organizations and is currently a board member of five sustainability focused organizations. Darren brings years of sustainability management and consulting experience to Fulcrum as the Director of Energy.

Jim Bean

Senior Field Staff & Geologist

Jim is a soil expert who specializes in water and vapor sampling, logging boreholes and monitoring wells, and site mapping and documentation.

Jim covers our southern and central California and Arizona areas.

Wendy Moore

Sr. Client Manager

Wendy covers California and Ontario, Canada regions providing Project Management, Senior reviewer expertise, and Phase I Environmental Site Assessment reports.

In her spare time, Wendy enjoys running, hiking, stand-up paddle, travel, and DJing.

Jeff Clifton

Consulting Associate

Jeff is a seasoned associate with extensive experience consulting real estate Due Diligence Assessments for national clients. Having completed over 3000 project reports in the last five years, Jeff is a highly valued consulting partner for Fulcrum.

John Winkler

Project Manager

John has been working in the environmental industry since 1989. A registered Professional Geologist in CA, John brings vast knowledge and significant expertise to Fulcrum.

In his spare time, John is an avid runner, guitar player, and enjoys outside activities including cycling, hiking, snorkeling, kayaking and travel… he has seen Bigfoot once.

Shauna Davis

Sr. Client Manager

Shauna is an expert in Phase I Environmental Site Assessments and covers Fulcrum’s greater Denver, Colorado area.

Shauna is an outdoor enthusiast and, in her spare time, her favorite thing to do is explore Colorado with her little family.

Kristina Thomas

Project Manager & Environmental Assessor

Kristina brings Environmental Assessment and Project Management expertise to Fulcrum projects in the California region. She is responsible for client development and TSA, Phase Is, Database Reviews.

Kristina’s favorite quote is ‘Everything happens for a reason’ and her favorite food is crapes!

Steffany Kellar

Regional Southeastern Project Director 

Steffany is a client and project manager, and Fulcrum’s Regional Director in Orlando, Florida. Steffany offers a strong background in site due-diligence and also has first-hand experience being originally trained by her brother, Don Kellar, over 8 years ago.  Steffany is also trained in mold and wind mitigation assessments. Steffany enjoys swimming, beach activities, and good music.

Tiffany Tona

Client & Project Manager

Tiffany conducts Phase I and II ESAs, assist in underground storage tank removal, soil sampling, and well installation/destruction.

Outside the office she loves painting, watching baseball, and playing co-ed flag football on the weekends.

Fred 'Freddy' Rivera

Sr. Client Manager

Freddy handles Fulcrum collections and past due invoices. He is passionate about travel, movies, and cooking.

Out of the office Freddy enjoys spending quality time with his dog, Skip.

Gabe Touma

Regional Director

Gabe is a client developer and project manager, and Fulcrum’s Regional Director in Denver, Colorado. With over 18 years of experience in the industry, Gabe has been involved in it all from Phase I and II Site Assessments, asbestos management, demolition and tank removal, brownfield redevelopment, to remediation. Gabe’s hobbies consist of playing music, martial arts, and watching a good sports game.

Chelsea Basirico

Environmental Assessor

With a masters in Public & Environmental Health from San Diego State, Chelsea provides environmental assessment reports for our San Diego and Orange County projects.

Outside of work, Chelsea enjoys long runs and exploring local breweries.

Caitlin Culp

Project Manager

Caitlin is a Project Manager for clients in Santa Clara and San Francisco, California.

She brings extensive experience in conducting environmental due diligence and site assessments that support property transactions to Fulcrum.

April Zhang

Environmental Assessor

With a Ph.D. degree in Environmental Engineering from Rice University, April conducts Phase I and II ESAs, assists in soil and groundwater sampling and other site investigation activities in the San Francisco bay area. In her spare time, April enjoys reading, drawing, photography and exploring wild outdoors with her family.

Amada Lagunas

Office & Project Manager

Amada assigns and monitors site assessments while making sure daily business runs smoothly.

Outside the office you will find Amada hiking with her dogs or taking a bike ride. Her favorite song is “Blue Ridge Mountain” by Fleet Foxes.

Heather Connor

Northeast Regional Director

Our Regional Director for Baltimore, Maryland and New York, Heather brings over 15 years of experience in conducting environmental assessments and client management to Fulcrum. She has an extensive background in Phase I and II ESAs, and is also one of Fulcrum’s senior reviewers. Heather enjoys art and family time.

Ian Culp

Project Manager

Ian is a Project Manager for our clients located in Sacramento and San Francisco, California.

James Coppernoll

Sr. Geologist

James has an extensive background in in site assessment and characterization and also assists with client management. James also assists in waste profiling and remediation efforts throughout greater Washington and Oregon. James is a licensed Professional Geologist in the State of Washington.

Maria Marekova

Office Manager

Maria has a business background with master degree in green management, CSR/sustainable development. She assist with preparation of Phase I reports and with the business to run smoothly. Maria is an environmentalist deep in her heart and she is determined to make this world a better place.

Christian Boothby

Administrative Assistant

Christian assists our assessors with scheduling and reviewing files at local agencies, and also assists our senior staff in the field. Christian is a full-time college student in the STEM Program near the completion of his B.S. in Chemistry and Geological Studies. In his spare time, he enjoys deep thought conversations on topics of science, music, and martial arts.

Greg Gavasse

Sr. Engineer & Client Manager

Greg is a consulting partner of Fulcrum, and assists in managing building engineering reports, building design, structural analysis, and government agency contracting.

Greg is a licensed Professional Engineer in the state of California, also a General A and B Licensed Contractor in the State of California.

Jeremy Gonzalez

Project Manager

An environmental due diligence project manager, site Assessor, and business development specialist in Southern California. Jeremy performs and assists Phase I and II ESAs and provides support in office tasks. He enjoys competitive online gaming, hiking and jogging, and takes joy in exploring the beautiful scenery, from beaches to mountains, that Southern California has to offer.

Karen Dela Cruz

Project Manager & Environmental Assessor

As a project manager and an environmental assessor, Karen conducts and assists with developing Phase I Environmental Assessments for clients in SoCal.

Karen loves hiking, scrapbooking, eating, and can be found working at a local coffee shop near you.

Hao Zhang, P.E.

Regional Director & Sr. Engineer

Hao leads Fulcrum’s northern California Region in beautiful San Francisco, and oversees business development and project and client management.

Hao is a licensed Professional Civil Engineer in the state of California. She has many years of experience working on Phase I/II environmental site assessments, site investigation and characterization, soil and groundwater remediation, and brownfield redevelopment.

In her spare time, Hao enjoys cooking, hiking, and traveling.

Dan Stewart

Building Performance & Energy Consultant

Dan is a building performance expert who focuses on improving the quality of lighting, ventilation, temperature, and humidity for building occupants, while saving money on their energy utility bills. His experience ranges from restaurant kitchens, four star hotels, office buildings, multi-family residences and more.
When not poking around boiler rooms and air handling units, Dan likes exploring the outdoors, making music, and drinking coffee.

Mohadib Ahmad

Autocad Specialist

Mohadib recently graduated from USC with a major in the 5-year Architecture program and a minor in 3D Animation and Modeling. He worked as an architectural designer with a Theme Park exclusive design firm that specialized in master planning, mainly within the project phases of Conceptual Design and Schematic Design. Moh also has experience in Event and Booth design for large scale conventions and gatherings. Currently a Junior Designer working in the So Cal region, Moh provides drafting and consulting services for Fulcrum Resources Environmental.

In his spare time, Mohadib enjoys playing tennis, eating delicious meals, and growing bamboo!

Jyh-Yih (Jerry) Ren

Sr. Engineer

Jerry is a consulting partner with an extensive background in vapor barrier design and combustible soil gas control.

Jerry’s has been heavily involved in methane mitigation projects and gas recovery treatment designs throughout the U.S. Jerry is a licensed professional Civil Engineer and Mechanical Engineer in the state of California.