About Us
Meet Our Team
The O2 Environmental Technology Assessment Group (TAG) is an unrivalled source of water technology market expertise.
Paul O'Callaghan
CEO – O2 Environmental & BlueTech Research
Glen T. Daigger, PhD, PE, DEE
Area of Specialization: Wastewater Treatment, Biosolids treatment and Nutrient removal
Dr. Graeme K. Pearce
Area of Specialization: Membranes filtration, Membrane technologies and markets
James W. Hotchkies
Area of Specialization: Commercialization and implementation of advanced water technologies
Innovation & Entrepreneurship for Water Constraints
Paul O’Callaghan, CEO, BlueTech Research, provided a keynote speech at TVC 2015 Cambridge.
Paul O’Callaghan presentation focused on: “Meeting future water resource constraints through innovation and entrepreneurship”.
What can we do for you?
O2 Environmental offers specialist water technology consultancy in three services:
Technology Due Diligence
O2 provides an unrivalled resource for the assessment of water technologies. Offering our global clientele access to market validation and competitive landscape mapping, voice of customer analysis, review of Intellectual property position, inspection of manufacturing facilities and operational facilities, O2 facilities an unparalleled resource of water technology intelligence.
Mergers and Acquisitions
O2 has been a trusted advisor for the last decade on a full range of mergers and acquisitions (M&A) and transaction support services. From a seamless Day One experience, O2 provides unmatched expertise throughout the transaction support service life cycle – from initial target acquisition screening and commercial due diligence through post-acquisition integration support.
Strategic Consulting
The O2 Environmental team has significant experience in Water Technology Consulting. Providing consultancy services in strategic water technology for over 12 years, our experts are renowned in their respective fields. Combining the intelligence of our TAG team, and BlueTech Research, O2 continues to expand its activities in custom research.






