as Consultant to the Photovoltaics Industry at Douglas Ruby, Ph.D.

“Doug is an expert in the field of silicon wafer based photovoltaic manufacturing process. He greatly contributed to our project's success and was easy to work with.” April 30, 2009 Top qualities: Great Results , Expert , Good Value Kurt Laetz

hired Douglas as a Technology & Process Consultant in 2008

“Doug is a great communicator and explains photovoltaics concepts at a level that everyone can understand. He can also go into depth on a number of topics, providing expert insight even to veterans in the solar industry.” April 6, 2009 Top qualities: Personable , Expert , High Integrity Chris Henderson

hired Douglas as a Engineering Training in 2009

“We had hired Doug as a consultant to help us in the Photovoltaic Device area. Doug has lots of experience in c-Si based Solar Cells - device physics and technology. He was able to easily articulate the areas of improvement with solid reasoning. He helped us put together a technological roadmap to achieve our goals. Doug is very professional and friendly to work with. He has very good teaching skills as well.” January 27, 2009 Top qualities: Expert , Good Value , High Integrity Sanjay Thekdi

hired Douglas as a Photovoltaic Consultant in 2008

“Doug completed a device performance modeling project for our solar cell product development. Doug's work was very helpful in our understanding of the key factors driving performance in our particular device structure. This understanding helped focus development priorities on the most important factors. I found Doug to be very easy to work with, and his work product was excellent and on time. I would hire Doug again without hesitation.” January 26, 2009 Top qualities: Great Results , Expert , High Integrity Ron Mosso

hired Douglas as a PV Device Consultant in 2008

“Doug has extensive experience in solar cells. He was able to quickly pinpoint the areas of improvement in our solar cells. We were able to prioritize the development depending on the expected improvements and were able to reach many of our milestones. His technical input has been very useful for our development and has ranged from device fabrication to characterization.” January 25, 2009 Uma Srinivasan , Principal Device Development Engineer/Manager (Solar R&D) , NanoGram Corporation

worked directly with Douglas at Douglas Ruby, Ph.D.

“Doug did a great job for us. His ability to explain observed data and predict the results of tests before they were run saved us many hours of lab time and gave us the theoretical validation that we needed early in our development cycle. Doug is a very easy person to deal with and he was able to tailor his explanations to his audience whether it was a room full of Ph.D.'s or senior execs.” January 6, 2009 Top qualities: Great Results , Personable , Expert Bill Sanders

hired Douglas as a PV Consultant in 2008

“Doug did some technical consulting for us in the space of crystalline silicon solar cell passivation, operation under concentrated sunlight and anti-reflection coatings. Doug has a deep working knowledge of what works and can provide detailed recipes that will work. He's a great asset to anyone in the solar cell space.” January 2, 2009 Top qualities: Expert , Good Value , On Time Peter Peumans

hired Douglas as a Technical Consultant in 2008

“Doug has been of great help for our solar cell project. His hands on knowledge helped us with various aspects of testing and characterization. He also did extensive PC1D simulations to help validate our solar cell concept and to help illuminate some of our technical issues. His experience in PV has helped us to move forward more rapidly.” December 24, 2008 Top qualities: Personable , Expert, High Integrity Henry Hieslmair

hired Douglas as a Business Consultant in 2008

“Doug offers years of experience in the area of PV and can bootstrap a PV development effort or add breadth to an existing development effort. He is easy to work with and has excellent contacts within the industry as well.” December 11, 2008 Top qualities: Personable , Expert , Good Value Jim Hunter

hired Douglas as a PV Consultant in 2008

“Doug is one of the solar industry's most experienced PV cell scientists. He brings a valuable depth of knowledge and clear, methodical approach to engineering design problems. The output of his work hit every technical objective and was done on time.” December 11, 2008 Top qualities: Expert , On Time , High Integrity Bob MacDonald

hired Douglas as a Engineering in 2008

as a Principal Member of Technical Staff at Sandia National Laboratories:

“Doug and I had numerous work related interactions during the time we worked together on several different projects. He was a good source of knowledge when I had a question on the device physics in photovoltaic semiconductors. His education background and experience in the PV field makes him a good resource for device and production related issues.” December 15, 2008 Finn Jason , Member of Technical Staff , Sandia National Laboratories

worked with Douglas at Sandia National Laboratories

“I worked with Doug on a number of collaborations on development of solar cell technology between 1990 and 2003 while he was at Sandia Laboratories. This was done both under a CRADA from my previous company as well as part of a industry-wide consortium, which developed innovative and advanced concepts for solar cell fabrication. Doug's participation and leadership exhibited a high scientific standard and he maintained an outstanding professional caliber of experimentation during all this work.” December 11, 2008 Top qualities: Expert , Good Value , Creative Juris Kalejs

hired Douglas as a R&D project leader in 1990 , and hired Douglas more than once

as a Student at University of Illinois at Urbana-Champaign

“Douglas was a student with me at U of I and I know him to be very smart, dedicated, hard working and high acheiving. I also went to the University of Illinois with Douglas and have kept in touch with him over the years. I know he is a knowledgeable leader in the field of Photovoltaics with extensive experience and achievements.” December 11, 2008 Todd Sauke , Student , University of Illinois at Urbana-Champaign

studied with Douglas at University of Illinois at Urbana-Champaign “I studied with Doug Ruby at the University of Illinois and have kept in touch with him on a regular basis since that time. I have known Doug to be a thoughtful and conscientious person and can definitely recommend him.” December 11, 2008 Darcy Escovedo , Student , University of Illinois at Urbana-Champaign

studied with Douglas at University of Illinois at Urbana-Champaign

as a Student at Massachusetts Institute of Technology

“Douglas was a student with me at MIT and I know him to be very smart, dedicated, hard working and high acheiving. I also went to the University of Illinois with Douglas and have kept in touch with him over the years. I know he is a knowledgeable leader in the field of Photovoltaics with extensive experience and achievements.” December 11, 2008

studied with Douglas at Massachusetts Institute of Technology