Author - Jesse Gray

Ivy YuXia Liu Headshot

Terrapex announces internal promotion to leadership of the Environmental Risk Assessment team

Terrapex is pleased to announce the promotion of Ivy Liu, P.Geo., QPRA to Manager, Environmental Risk Assessment.  Ivy has over 15 years of environmental consulting experience in the delivery of human health and ecological risk assessments across Canada under both the Ontario "Brownfields" (O. Reg. 153/04) and federal frameworks. A recognized Qualified Person for Risk Assessment (QPRA) and Professional Geoscientist (P.Geo.) in Ontario, Ivy has a commendable...

June 10, 2026Read more...

Terrapex Welcomes Philip Adene, PhD, P.Geo.

Terrapex Welcomes Philip Adene, PhD, P.Geo., as Senior Project Manager and Team Leader in Durham Region Terrapex is pleased to announce that Philip Adene, Ph.D., P.Geo., has joined the firm as a Senior Project Manager and Team Leader within our Site Assessment & Remediation group,based in our growing Durham (Oshawa) office. Philip brings a strong background in environmental geochemistry, supported by a PhD in Geological Sciences,...

May 30, 2026Read more...
Min Song

WECOME MIN SONG, P.ENG.

Terrapex is extremely pleased to welcome Min Song, P.Eng., to our team! Min joins us as a Senior Project Manager in our Site Assessment and Remediation group, bringing over 20 years of experience in environmental consulting. Since 2005, Min has successfully delivered a wide range of environmental projects across residential, commercial, and industrial sectors, as well as for municipal, provincial, and federal clients. His technical expertise...

May 18, 2026Read more...

Terrapex Celebrates Brownie Award Win for Galleria on the Park Project

Terrapex is proud to announce that the Galleria on the Park redevelopment has been recognized as Best Large Project at the 2025 Brownie Awards gala celebration hosted by Canadian Brownfields Network (CBN) and Site Media (formerly Actual Media). This prestigious award highlights innovation and excellence in brownfield redevelopment across Canada. The Galleria on the Park project is a transformative initiative for Toronto’s Wallace-Emerson neighbourhood. The redevelopment...

November 20, 2025Read more...
Allen

Terrapex is pleased to announce the appointment of Allan Li-Ping-King, M.Sc.Env. as Branch Manager of our Durham Office

A long-standing member of the Terrapex team, Allan brings deep experience, technical excellence, and a practical, client-focused approach to this leadership role. His commitment to delivering high-quality service has made a lasting impact across our projects and teams. Under Allan’s leadership, we look forward to strengthening our presence in the Durham region and continuing to provide technically sound, practical, and personalized consulting services within the environmental,...

November 7, 2025Read more...
Profile image of Zen Keizars

Terrapex is pleased to announce the appointment of Zen Keizars, P.Geo., FGC to the positionof Manager, Hydrogeology.

A licensed Professional Geoscientist (P.Geo.) in Ontario, Alberta, and British Columbia, Zen has been a valued member of the Terrapex team since 2020, bringing deep consulting expertise in hydrogeology, eco-hydrogeology, environmental assessment, and groundwater resource management. Zen is widely recognized for his technical excellence, strategic insight, and commitment to advancing geoscience practice. Zen is actively engaged in public service and professional development. He has previously served multiple...

September 9, 2025Read more...

Advocating for Responsible Change: A Letter of Support That Reflects Who We Are

At Terrapex, we believe that meaningful policy change begins with thoughtful collaboration and a commitment to integrity. Recently, we submitted a letter of support to the City of Toronto for proposed policy updates at that aim to support the construction of much-needed housing in Ontario's capital and Canada's largest city.Our letter of support isn't a lobby effort, or an action take with a political objective....

August 18, 2025Read more...

Presenting at the 2024 Excess Soils Symposium

Don’t miss Terrapex’s Shannon Hunt and Peter Sutton as they presenting at this year’s Excess Soils Symposium in downtown Toronto! As chair of the Qualified Persons Community of Ontario (QPCO) Excess Soil committee, Shannon will be part of a panel representing QPCO as they present their best practices guideline for reuse sites.  The best practices guideline is intended to provide guidance to owners and operators of...

October 15, 2024Read more...
Profile image of Zen Keizars

Terrapex’s Zen Keizars Sworn in as PGO Vice President

We are pleased to congratulate our own Zen Keizars on becoming the new Vice President of Professional Geoscientists Ontario (PGO), carrying on a Terrapex tradition of giving back to our industry and our communities at large!   Zen previously served as President of PGO in 2018 and 2019, overseeing the organization’s rebranding to PGO, the welcoming of Tony Andrew as the new CEO of PGO, and a...

July 15, 2024Read more...

Presenting at SmartRemediation Conferences

Terrapex’s Paul H. Cheung and Jennifer O’Grady are presenting at this year’s SmartRemediation conferences in Toronto and Ottawa, respectively.  Paul and Jennifer are talking about 6PPD-q, an emerging contaminant that has been determined to have significant toxicity to certain fish species at the parts per trillion concentrations level (yes, trillions!). 6PPD-q is the quinone of 6p-phenylenediamine (6PPD), a common rubber antiozonant, particularly in vehicle tires.  Although...

February 1, 2024Read more...