Conversation so far:
What was Marissa Mayer's relationship with Google?
Marissa Mayer joined Google in 1999 as employee number 20.
What was Marissa Mayer's position with Google?
Marissa Mayer became known for her attention to detail, which helped land her a promotion to product manager, and later she became director of consumer web products.
Did Marissa Mayer have success as a product manager and later director of consumer web products at Google?
Marissa Mayer was on the three-person team responsible for Google AdWords. AdWords helped deliver 96% of the company's revenue in the first quarter of 2011.
What did Marissa Mayer get promoted to at Google after becoming director of consumer web products?
Marissa Mayer became Vice President of Search Products and User Experience.
What year did Marissa Mayer get promoted to Vice President of Search Products and User Experience?
In 2005, Marissa Mayer became Vice President of Search Products and User Experience.
How long did Marissa Meyer work for Google?
Marissa Mayer worked at Google from 1999-2012.
Any other interesting information about Marissa Mayer and her time at Google besides her positions?
In 2002, Marissa Mayer started the Associate Product Manager program.
What did Marissa Mayer's Associate Product Manager program entail?
Marissa Mayer's Associate Product Manager program was a Google mentorship initiative to recruit new talents and cultivate them for leadership roles.

Question: When did she start this?
Self-contained rewrite: When did Marissa Mayer start the Associate Product Manager program?