The differing views of her predecessors—her uncle who preferred formal attire and her father who preferred to dress down—influenced Lynsi Snyder's decision to establish a casual dress code at In-N-Out Burger.

As president, Lynsi Snyder implemented a more casual work environment and dress code at In-N-Out Burger's corporate offices.

Lynsi Snyder declined to assume leadership of In-N-Out Burger in 2006 after her grandmother's death, delaying her presidency until 2010 due to her pregnancy with twins.