Donations in Memory of Karl Lange

Holding Strong For Almost Half a Century
See More

As reported earlier, founder of timeshare/vacation ownership software company Systems Products International (SPI) Karl Lange passed away on December 28, 2019.

Donations can be made to the Natural Resources Defense Council’s Oceans program in Karl’s memory by going to, providing the requested information, and specifying “For the Oceans Program” in the email subject line field or the personal message field.

A celebration of life is being held on January 12, 2020, at noon at the Plymouth Congregational Church, 3400 Devon Rd in Coconut Grove, FL 33133. The family asks in lieu of flowers, donations may be sent to the Oceans Division of the Natural Resources Defense Council. For more information, visit