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The 2017 Tech 40: Steven Lieblich

17. Steven Lieblich
Chief Technology Officer
Last year: PNR

In 1986, after earning a B.A. in economics from Columbia University, Steven Lieblich entered the IT training program at Morgan Stanley. He stayed with the investment bank for exactly 30 years and one week, rising to chief information officer and serving along the way as head of the equity technology group and the institutional securities group's technology division. That Wall Street pedigree explains why Citadel came calling last year, and in September, Lieblich joined the Chicago-based hedge fund firm as chief technology officer. "It was a great run," Lieblich says of the Morgan Stanley years, but his administrative and management responsibilities had taken him away from his first love: programming. Today at Citadel, the 52-year-old says he is working "hands on, in the weeds, on white boards, with the next generation of talented developers and engineers, and partnering with traders and portfolio managers who are as conversant in technology as any computer scientist. That goes for Ken too." That is a reference to Kenneth Griffin, founder and CEO of the $27 billion-in-assets Citadel, to whom Lieblich reports.

Lieblich says he is currently focused on a number of things, including big data, cloud computing, mobile computing, and security. "In the early days, leaders would say, 'Tech is really important to our businesses,' which later evolved to where we are today: 'Technology is the business,'" he says. "As excited as I was to get here last year, I am even more excited about what's ahead."

The 2017 Tech 40
1. Adena Friedman
2. Catherine Bessant
Bank of
America Corp.
3. Robert Goldstein
4. Jeffrey Sprecher
Intercontinental Exchange
5. Lance Uggla
IHS Markit
6. Shawn Edwards & Vlad Kliatchko
7. David Craig
Thomson Reuters
8. Michael Spencer
NEX Group
9. Don Callahan
10. Elisha Wiesel
Goldman Sachs Group
11. Michael Bodson
Depository Trust & Clearing Corp.
12. Terrence Duffy
CME Group
13. Charles Li
Hong Kong Exchanges and Clearing
14. Sean Belka
Fidelity Investments
15. Chris Concannon
CBOE Holdings
16. Guy Chiarello
First Data Corp.
17. Steven Lieblich
18. David Rutter
19. Blythe Masters
Digital Asset Holdings
20. Alfred Spector
Two Sigma Investments
21. Neil Katz
D.E. Shaw Group
22. Lee Olesky
Tradeweb Markets
23. Richard McVey
MarketAxess Holdings
24. David Gledhill
DBS Bank
25. Seth Merrin
Liquidnet Holdings
26. Antoine Shagoury
State Street Corp.
27. Peter Brown &
Robert Mercer
Renaissance Technologies
28. Lou Eccleston
TMX Group
29. Peter Cherecwich
Northern Trust Corp.
30. Mike Chinn
S&P Global Market Intelligence
31. Chris Corrado
London Stock Exchange Group
32. Neal Pawar
AQR Capital Management
33. Gary Norcross
Fidelity National Information Services
34. Steven O'Hanlon
35. Sebasti√°n Ceria
36. Brian Conlon
First Derivatives and Kx Systems
37. Tyler Kim
38. Michael Cooper
BT Radianz
39. Robert Schifellite
Broadridge Financial Solutions
40. Jim Minnick

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