Nike's top tech executive, Ratnakar Lavu, resigns

• Ratnakar Lavu, Nike's top technology executive, resigned Monday, effective immediately.
• An internal email announcing Lavu's departure didn't give a reason for his sudden exit.
• Lavu did not immediately respond to a message seeking comment. 

Nike's top technology executive, Ratnakar Lavu, has resigned effective immediately, according to an email sent to employees and signed by Nike Chief Operating Officer Andy Campion. The announcement was made on Monday. 

Insider viewed a copy of the email, which did not give a reason for Lavu's departure.