Rion Merlo PhD, PE, PMP
Senior Associate

Rion is an environmental engineering consultant with extensive experience in both the water and wastewater sectors. Rion began his career focusing on wastewater process engineering and has been involved in pilot studies, master planning, and detailed design. In recent years, he has added a wide swath of experience in technical solutions and team leadership.
- Areas of Expertise
- • Wastewater treatment
- • Water reuse
- • Membrane bioreactor (MBR) design
- Professional Activities
- Water Environment Federation (WEF)
- Project Management Institute (PMI)
- Education
- PhD, Civil and Environmental Engineering, University of California, Berkeley
- MS, Civil and Environmental Engineering, University of California, Los Angeles
- BS, Microbiology, University of California, Santa Barbara
- Certification/License
- Professional Engineer (PE)
- Project Management Professional