In our firm's earliest days, our understanding of the power of great software engineering and quantitative analytics helped Citadel stand out.

It is incredible to come to work every day surrounded by individuals whose insights and efforts place us at the forefront of finance.

If you think about the amount of critical thinking that has come into the field of economics, two universities have dominated the landscape in my life: Chicago and Harvard.

One of the great advantages that I had in my career is I started trading 24 hours a day in my early 20s, and I had to learn to delegate to people.

To be able to transform societies and economies to low-carbon ones was an amazing challenge. To influence and to facilitate such an important transformation in the world would be like witnessing something of industrial revolution proportions.

I meet so many that think population growth is a major problem in regard to climate change. But the number of children born per year in the world has stopped growing since 1990. The total number of children below 15 years of age in the world are now relatively stable around 2 billion.

We live in a changing world, but we need to be reminded that the important things have not changed, and the important things will not change if we keep our priorities in proper order.

People are like dirt. They can either nourish you and help you grow as a person or they can stunt your growth and make you wilt and die.