Luanne Tierney, head of partner marketing at Juniper Networks, left the company following a series of budget cuts to the networking vendor's marketing organization. She said she plans to write a book on best practices and strategies for young women in the workforce. Tierney spent two years at Juniper as vice president of global partner marketing. Before that, she served as vice president of worldwide partner marketing at Cisco for nearly three years. Before that, she spent more than 10 years at Cisco in several senior channel marketing roles.