Talk to us about that 2019 launch of the business plan at Citadel in derivatives.

Of course.

If you don't mind, I think I'd like to even rewind a little to some of the experiences I had that led me to the business plan ultimately.

And not so much my experience.

I spent about five years at Jefferies, like you said, which was a great learning experience.

And quite frankly, I learned a lot about myself there and about my own strengths and weaknesses and developed a lot of different skills there.

And then I also spent about five years or so at Citibank, like you said.

What are the attributes, if you're looking for someone to join your team in some capacity in the earlier parts of their career, what are those couple of attributes that have you and your business partners interested? And how might those attributes today be different than, say, a decade ago?