Kurt Zumwalt, global treasurer for Amazon (AMZN) - Get Report has left the company after 15 years with the online-retail juggernaut after 15 years, news reports said Tuesday.

Zumwalt, who reported to CFO Brian Olsavsky, left the Seattle company last week, sources told CNBC. 

Amazon did not immediately respond to an inquiry as to why Zumwalt left.

Zumwalt started his career at Bank of America and was later treasurer of Wind River, which Intel (INTC) - Get Report acquired for $884 million in 2009. He also sits on the board of the U.S. Tennis Association.

Tony Masone, who joined Amazon as assistant treasurer in 2016 after a tenure at General Electric (GE) - Get Report , succeeded Zumwalt as treasurer, CNBC reported.

Last month, Amazon reported second-quarter revenue of $63.4 billion (up 20% annually) and GAAP EPS of $5.22. Revenue beat a consensus analyst revenue estimate of $62.52 billion, while EPS missed a consensus of $5.56.

The company guided for third-quarter revenue of $66 billion to $70 billion (up 17% to 24%), which compares favorably to a consensus of $67.28 billion at its midpoint. However, operating income guidance of $2.1 billion to $3.1 billion was below a consensus of $4.39 billion.

The shares were down 1.1% to $1,748.73.

Amazon is a holding in Jim Cramer's Action Alerts PLUS member club. Want to be alerted before Jim Cramer buys or sells Amazon?

Save 57% With Our Labor Day Sale. Join Jim Cramer's Action Alerts PLUS investment club to become a smarter investor! Click here to sign up!