Sahara Force India Formula One Team Monday, 21 November 2011 Sahara Force India Formula One Team STL_Image_1.jpg Sadie Wigglesworth, Sahara Force India's Head of Sponsorship, Promotion and Media, and Philip Donigan, Sales Director of STL, celebrate the extension of the partnership at the team's Silverstone Headquarters. Sahara Force India is pleased to announce the extension of its partnership with communications firm STL for a further three years. The agreement marks the continuation of a long-term relationship that has been in place for over ten years.