Current Position


2006-Current       Membrane Development Specialists, LLC


Consultant for Membrane Technology and Industrial Process Developments Specializing in Waste Waters, Mining and Oil &Gas Industries, Carbon Dioxide Capture and Oxygen enrichment using proprietary membrane technology and element Design Manufacture Specialty Spiral Wound Membranes for extreme conditions pH 0-14, temperatures of up to 200° C. organic solvents liquids and gases like methane, CO2 and O2.


Consulted on 150,000 m3-d seawater for Chennai, India.


Consulted on three large mining AMD water applications-Newmont Mining Yanacocha, Peru; Newmont Mining Waihi, New Zealand; Zijin Copper Xiamen, China, Barrick Gold Alatchicama Peru, Barrick Goldstrike Nevada; Coldelco Copper Andina Pond,


Yamana Gold Chile and COPEC Copper Gold recovery from Tailings.


Supplied equipment, pervaporation elements and consulting for process water and gases at an ExxonMobil.


Designed new spiral wound element resistant to fouling from saturated calcium streams in mining waste waters.


Developed a new spiral wound Nanofiltration membrane element for specific purification of glycols and the separation mono-valent and divalent anions.


Consulted and Designed biological effluent waste water system based on 3 different membrane processes for a major food processor.





2003–2006       GE Osmonics  Vista, Ca

Process Membranes & Equipment Project Development

Developed New Process Membrane Applications worth $45M

Margins on aforementioned projects worth 55%

1 patent granted and 4 patents filed for in 3.5 years


1997-2003       Osmonics-Desal  Vista, Ca

Industrial Process Membrane Director

Managed all process membrane sales and new equipment sold into those applications. Annual Revenues from membrane and equipment sales $15M

Margins on membranes and equipment averaged 55 to 60%

2 patents granted and 3 applications filed


1983–1997        Desal  Vista, Ca

Managed Membrane and Applications R+D for Desalination Systems

In 14 years sales increased from $1.5M to $25M—all organic growth

Developed DS-5 Nanofiltration Membrane

Developed 25 applications for Nanofiltration Membranes.

Developed Seawater Membranes and Applications

Developed Gas Membranes and Applications

Developed 5 Mining, 10 Chemical Reuse & 15 Waste Water Applications

Granted 5 patents—3 material and 2 process patents


1979–1983       Tooke Engineering  Casper, Wyoming

Mud and Electron Logging for Oil and Gas Well Drilling

Monitored and Maintained GC and Electronic Equipment


1975-1979        St. Luke’s School Radiology  Fargo, ND

Taught Radiology Physics to Radiology Technicians


1970-1974        US Peace Corps  Fiji & Tonga Islands

Peace Corps Volunteer

Volunteer Physics Teacher at University of South Pacific 1972-1974

Volunteer Math and Science Teacher Tonga College Tonga Islands 1970-1972



1975  and 1965-1969

Moorhead State University

Graduate Classes in Nuclear Physics  1975

BA Math and Physics   1965-1969

Membrane Development Specialists

921 "A" S Andreasen Drive

Escondido, CA 92029


Phone:  (619) 857-7930