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Experience

2008- 2013
Editor, Journal of Aerosol Science and Technology, Taylor and Francis Publishers, New York

2009- present
Executive Committee, The Leadership Alliance, one of a five-member executive board overseeing the policy, operations and financing of this marquis NGO promoting diversity in higher education

1994- present 
Registered Professional Civil Engineer and active technical consultant and expert witness to the commercial biological waste treatment and bioaerosol industrial hygiene sectors since 1994 [CA License # C 054989].

2002/13
Director, The Å·ÃÀ¿Ú±¬ÊÓƵ Diversity Initiative University of Å·ÃÀ¿Ú±¬ÊÓƵ at Boulder.  As the only faculty member who was a Principal Investigator of an AGEP grant nationwide (of 22 awarded), I was one of two directors of the Å·ÃÀ¿Ú±¬ÊÓƵ Diversity Initiative.  I conceived and helped lead a joint NIH NSF-funded program to recruit and integrate graduate students from socioeconomic groups that have been traditionally underrepresented in the sciences and engineering through STEM PhD and Post-doctoral programs. 

1996- present
Professor (Tenured 2002), University of Å·ÃÀ¿Ú±¬ÊÓƵ at Boulder.  Full professor and principal investigator leading an externally funded graduate research program in applied environmental microbiology.  Lecture instructor for courses on environmental engineering, wastewater treatment, thermodynamics and environmental microbiology. 

1994/95
Postdoctoral Researcher, University of California at Berkeley.  Lead independent research to apply direct quantitative microscopy and biochemical assays to evaluate enhanced and intrinsic in-situ bioremediation in hydrocarbon and solvent contaminated soils.  Results from this work were used for environmental risk assessment for closure and reuse of the Naval Air Station on San Francisco Bay.

1989/94
Civil Engineer, City and County of San Francisco, Responsible to the Engineering Bureau for in-house process engineering and research projects for the City's main wastewater treatment facilities (part-time ’89 - ‘92).  Full-time member of the start-up team for the state-of-the-art Oceanside Water Pollution Control Plant (’92-’94).

1986/88
Environmental Engineer, Oro Loma Sanitary District (OLSD)/CH2M Hill Inc., Oakland, CA.  Served as liaison and staff engineer to CH2M Hill, Inc. for the District’s master plan and expansion.