Jared Kushner has become a major player in the Trump-Russia investigation - here's how that happened

Ivanka Trump emerged as a major force in her father's presidential campaign and administration. She introduced Trump before he accepted the Republican presidential nomination in 2016, and took a position in the White House as an unpaid adviser.

But her less-visible husband, Jared Kushner, has developed a key role in the administration as well. He's proven influential in many of Trump's decisions, and is said to temper his father-in-law's often brash conduct.

Here are some things to know about him: