Operator
Welcome to the Q2 2021 Harmonic Earnings Conference Call. May name is Sarah and I ll be your operator for today s call. At this time, all participants are in a listen-only mode. Later, we will conduct a question-and-answer session and instructions will follow at that time. [Operator Instructions] As a reminder, this conference call is being recorded.
I will now turn the call over to David Hanover, Investor Relations. David, you may begin.
David Hanover
Investor Relations
Thank you, operator. Hello, everyone and thank you for joining us today for Harmonic s second quarter 2021 financial results conference call. With me today are Patrick Harshman, President and Chief Executive Officer; and Sanjay Kalra, Chief Financial Officer.
Operator
Greetings, and welcome to the Calix First Quarter 2021 Earnings Call. [Operator Instructions]. A question-and-answer session will follow the formal presentation. [Operator Instructions]. It is now my pleasure to introduce Tom Dinges, Director of Investor Relations. Thank you. You may begin.
Thomas J. Dinges
Director of Investor Relations
Thank you, operator, and good morning, everyone. Thank you for joining our first quarter 2021 earnings call. Today on the call, we have CEO, Carl Russo; Chief Financial Officer, Cory Sindelar; and President and Chief Operating Officer, Michael Weening. As a reminder, yesterday, after the close of market, we released our letter to stockholders in an 8-K filing, as well as on the Investor Relations section of the Calix website. This conference call will be available for audio replay in the Investor Relations section of the Calix website.