Products & Services
Catalog Items
About us
Terms and Conditions

John & Ann Christensen - co-owners

John, though now retired, remains the creative force behind Sandpiper Technologies tech products. With over 50 years' experience in Optical, Mechanical, Electronics and Computer design engineering, he now keeps the Sandpiper rental fleet humming and consult with clients on their projects.  His past experience includes commercial photography, nuclear engineering and new construction with the US Navy Submarine Program and optical, mechanical and electronic design and fabrication with the Lawrence Livermore National Laboratory (LLNL).

Ann has over 35 years' experience in business operations, marketing, finance and administration. She finds time within her busy schedule to manage the administrative side of Sandpiper on a part-time basis. Her many other activities include Workshop Host and Instructor, High School and College Tutor, Collage and Mosaic Artist to name but a few.

Co Owners hard at work...

Business Structure

On December 30, 2015; Sandpiper Technologies, Inc. was formally closed as a California corporation.  Sandpiper Technologies is a part-time continuation of that business operated as a courtesy and service to the many loyal customers which have purchased equipment from us.   Ann and I operate Sandpiper as a division of our studio: 

The John & Ann Christensen Studio & Gallery
531 West Yosemite Ave.
Manteca CA 95337

Products    Service     Rentals