Operator
Welcome to the Ontrak first-quarter 2021 earnings call. My name is Sylvia 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.
[Operator instructions] I will now turn the call over to Caroline Paul, investor relations. Caroline you may begin.
Caroline Paul
Investor Relations
Thank you. And thank you all for participating in today s call. Joining me today are Terren Peizer, executive chairman; Jonathan Mayhew, chief executive officer; and Brandon LaVerne, chief financial officer. Earlier today, Ontrak released financial results for the quarter ended March 31, 2021.
Operator
Ladies and gentlemen, thank you for standing by, and welcome to the Ontrak s fourth-quarter 2020 earnings call. [Operator instructions] I will now hand the conference over to your speaker today, Caroline Paul, with investor relations.
Caroline Paul
Investor Relations
Thank you, and thank you all for participating in today s call. Joining me today are Terren Peizer, chairman and chief executive officer; Brandon LaVerne, chief financial officer; and Curt Medeiros, president and chief operating officer, who will join us for the question-and-answer portion of the call. Earlier today, Ontrak released financial results for the quarter ended December 31, 2020. A copy of the press release is available on the company s website.