Complex sentence: Before becoming Google's first marketing manager in 1999, Wojcicki worked in marketing at Intel in Santa Clara, California and was a management consultant at Bain & Company and R.B. Webber & Company.
Split into simpler sentences: Before becoming Google's first marketing manager in 1999, Wojcicki worked in marketing at Intel in Santa Clara, California. She was a management consultant at Bain & Company and R.B. Webber & Company.