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"I love coming into work every day and being faced with new questions to answer, because this is an extremely dynamic environment.” Colleen is a problem-solver whose passion and tenacity for discovering new solutions fuels her ability to tackle the toughest questions.
Colleen, an extraordinary colleague
“Software engineering is one of the careers where nothing stays the same.” Hear our founder and CEO Ken Griffin describe the three career paths engineers can pursue to excel in an ever-changing field.
Ken Griffin on the Three Career Paths for Software Engineers
“There's a real appetite to promote people here. If you're performing well, there is no holding back.” As our colleague Emma shares, Citadel is a launchpad for those who embrace opportunity, own their advancement and realize their potential. Read about her path to the firm and how the mentorship she’s received has shaped her current experience and future ambitions.

Inside One Student's Strategy for Getting a Citadel Internship
“We have a social contract with the people we hire. It's absolutely critical that they know we are investing in them,” explains Drew Gillanders, who heads our International Equities, Europe strategy. Hear Gillanders' perspective on what brought him back to Citadel, a cultural of elevating subject matter experts regardless of title and the entrepreneurial spirit pushing the business forward. “Citadel really represents the perfect blend of an entrepreneurial mindset, where no one is telling you how to run your business. A lot of our competitors offer perceived flexibility, but you don't get anywhere, in my judgment, other than here, the entrepreneurial culture with all the support from the center,” concludes Gillanders.
Inside Citadel: Drew Gillanders, Head of International Equities, Europe, on Investing in Our People
“The person in the room who can imagine a new way of doing things is on safe ground vis-à-vis ChatGPT.” Hear our founder and CEO Ken Griffin discuss why commercial value will increasingly accrue to innovators and creators.
Ken Griffin on Innovation in the Age of AI
Citadel is filled with problem-solvers who are passionate about making an impact both within and beyond our walls. With our Impact Fellows Program, incoming team members can apply their unique talents to effect positive change within the broader community, even before their first day at the firm. Learn more via Business Insider.

Insider: How New Citadel Hires Are Making An Impact During Garden Leave
Do you have 2-5 years of engineering experience? Consider the NXT Engineering Network. Hear our senior leaders and current NXT participants describe the opportunity to accelerate your development and grow your career in finance.
Citadel's NXT Engineering Network
“The contribution of every member is critically important. We all need each other to be successful.” Hear why Joon believes in his team—and how they work together to tackle the hardest problems in finance.
Joon, an extraordinary colleague
“The talent that joins us in engineering at Citadel is deeply integrated in the businesses themselves. It is one cross-functional team of engineers, quantitative analysts, investors, all collaborating to build software that powers our risk-taking,” explains Umesh Subramanian, our Chief Technology Officer, about the critical role engineering plays across Citadel. Hear Subramanian’s perspective on what differentiates our world-class talent, the integrated role engineers play across our teams and our culture of continual learning.
Inside Citadel: Chief Technology Officer Umesh Subramanian on the Impact of Engineering at Citadel
Our firm has been recognized as the #1 most profitable hedge fund manager of all time, again. Congratulations to our teams for this extraordinary accomplishment!

Our firm has been recognized as the #1 most profitable hedge fund manager of all time, again. Congratulations to our teams for this extraordinary accomplishment!