Bloomberg Businessweek:

For years, I’ve been open with many people about my sexual orientation. Plenty of colleagues at Apple know I’m gay, and it doesn’t seem to make a difference in the way they treat me. Of course, I’ve had the good fortune to work at a company that loves creativity and innovation and knows it can only flourish when you embrace people’s differences. Not everyone is so lucky.

While I have never denied my sexuality, I haven’t publicly acknowledged it either, until now. So let me be clear: I’m proud to be gay, and I consider being gay among the greatest gifts God has given me.

Being gay has given me a deeper understanding of what it means to be in the minority and provided a window into the challenges that people in other minority groups deal with every day. It’s made me more empathetic, which has led to a richer life. It’s been tough and uncomfortable at times, but it has given me the confidence to be myself, to follow my own path, and to rise above adversity and bigotry. It’s also given me the skin of a rhinoceros, which comes in handy when you’re the CEO of Apple.

Go read the whole thing. Cook is from Alabama, and earlier this week he criticized the governor of Alabama and other state officials at a ceremony where Cook was inducted into Alabama's Academy of Honor. Also worth reading.