TD News, Number 2, 2003 - Internet Web Site: '' Send an e-mail request for username and password to: ''

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New Faces at the San Dimas Technology and Development Center

Photo of Mike Mitchell
Mike Mitchell became a senior project leader for SDTDC’s engineering program in March 2003. He is responsible for road-related projects. Mike’s Forest Service career began in 1971 as a summer student employee for the Northern Region. He earned his civil engineering degree from Montana State University in 1974. After college, Mike worked for the U.S. Army Corps of Engineers in New Orleans, LA, as a design engineer in the foundations and materials section. In 1977, he rejoined the Forest Service as a geotechnical/materials engineer on the Lolo National Forest. He received his professional engineer’s license from Montana in 1979. Working in a zone geotechnical engineering position, Mike provided support to several forests in western Montana and northern Idaho from 1996 until his transfer to San Dimas.
Photo of Charles Aldrich
Charles Aldrich joined SDTDC as a project leader supporting the transportation engineering program in 2002. Charles has had a varied career in the consulting, electric utility, and pipeline industries. He received a bachelor’s degree in civil engineering in 1978 and a master’s degree in civil and geotechnical engineering in 1985, both from California State University, Long Beach. Charles is a licensed professional civil and geotechnical engineer in California.
Photo of Ta-ching Chang
Ta-ching Chang began working for SDTDC in April 2002 as a project leader supporting the engineering and recreation programs. He has a bachelor’s degree in agricultural engineering from National Taiwan University and a master’s degree in civil engineering from Michigan State University. A licensed professional engineer, Ta-ching worked in the architectural engineering industry before joining the Forest Service.
Photo of Sue Zahn
Sue Zahn became the SDTDC fuels management specialist in August. She has worked on the San Bernardino National Forest in fire suppression and prevention; on the Cleveland National Forest in wilderness management, trail maintenance and restoration, burned area emergency rehabilitation, civil rights, and partnerships; and on the Angeles National Forest, where she was responsible for the district fire prevention program. On the San Gabriel River Ranger District, Sue provided support to the fuels program with GPS and GIS technology, and environmental and NEPA expertise.

Sue has been on a Southern California interagency incident management team for the past 5 years working in fire operations, plans, and logistics. Sue also serves as a training cadre member for the Pacific Southwest Region Fire Prevention Academy.

Photo of Dave Haston
Dave Haston joined SDTDC as a project leader in the fire and aviation program in March 2003. Dave has 18 years of product development experience in private industry. He spent the last 11 years with Survivair, Inc., developing products such as selfcontained breathing apparatus (SCBA) and personal alarm safety system (PASS) devices for firefighters. Dave has a bachelor’s degree in engineering technology and a master’s degree in engineering from Cal Poly Pomona University and is a licensed professional engineer. He currently holds two patents and has two more patents pending for life support equipment. Dave is also an instrument-rated commercial pilot.
Photo of Christine Tereska
Christine Tereska joined SDTDC as a financial assistant in November. Christine began her Forest Service career on the Mount Pinos Ranger District of the Los Padres National Forest in 1977. She worked as a resource assistant in timber and was the Southern California province coordinator and data manager for timber information management, timber sale administration, and sales tracking and reporting systems.
Photo of Marc Todd
Marc Todd joined SDTDC in December as a computer programmer. Marc began his Forest Service career in 1971 working for engineering at the Wallowa-Whitman National Forest. He studied computer programming and opened a private company while continuing his Forest Service career. Marc’s computer skills were soon put to use in the Pacific Northwest Region when he was detailed to the Regional Office. Marc’s programming skills have also been used on the national level to provide programming and other computer-related services.


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