About Us

John Wheeler ACS is an award winning cinematographer with more than 30 years experience behind the camera and screen credits that include feature films and TV commercials shot in locations around the world. John is president of the Victorian chapter of the Australian Cinematographers Society.

Recognizing the need for a powerful, portable and easy to use sun prediction tool, John designed the Sunpredictor™, a program that can instantly calculate the position of the sun anywhere in the world at any time in the future.

Founded in 1988, LISTECH, the developer of The Wheeler Sunpredictor™ software, is a world leading developer of innovative, internationally successful software products. LISTECH focuses on solving the complex problems associated with measurement processing, mapping and presentation of natural and constructed physical environments.

Key to our product strategy is our emphasis on investment in research and development, focused on new and improved products to satisfy the needs of our customers.