John Fischer - Email & Phone Number

VP of Market Structure & Business Development at Citadel Securities

John Fischer is based out of New York, New York, United States and works at Citadel Securities as VP of Market Structure & Business Development.

John Fischer's Contact Information

John Fischer's Work email

j*****@citade***.com

Valid

Latest update

October 26, 2025

Location

New York, New York, United States

John's current employer

Citadel Securities

Description

We are the next-generation capital markets firm, delivering critical liquidity to key financial institutions. Discover our work, teams, c...

Website

citadelsecurities.com

HQ Location

Miami, Florida, United States

Number of employees

501-1000

Industry

Capital Markets

Latest update

April 30, 2024

Read about Citadel Securities

Frequent questions about John Fischer

What company is John Fischer working for?

John Fischer works for Citadel Securities.

What is John Fischer's function at Citadel Securities?

John Fischer is VP of Market Structure & Business Development at Citadel Securities.

Where is John Fischer based?

John Fischer is based out of New York, New York, United States.

What is John Fischer's work email address?

John Fischer's professional email address is j*****@citade***.com

Who are John Fischer's co-workers?

John Fischer's colleagues are Nico Schlaefer, Rodrigo Valencia, Lindsey Tsukiyama, David Opolon, Susan Warmerdam, Peng Zhao, Anuj Arora, Mark Wilkinson, Sara Verstynen, Julie Bratley, Stephen Zamin, Michael Quell, Aditya Telidevara, Joel Jensen, Kraig Knas, Deanna Rowe, Andrew Bostock, Prachi Kalra, Douglas Aragones, Ambar Soni, Amit Bhuchar, James Lane, Jean-Paul Lam, Can Poge, Parijat Samant, Andrew Eberbach, Curtis Ho, Ronan Griffin, Anna-Sara Pietilä, Troy Kane, Nicholas Scalabrino, Rusty Hewit, Connor Kraft.

John's co-workers

Nico Schlaefer

Advisor to the CEO

Rodrigo Valencia

Vice President, Office of the CEO

Lindsey Tsukiyama

Vice President, Office of the CEO

David Opolon

Office of the CEO

Susan Warmerdam

Executive Assistant to the CEO

Peng Zhao

CEO

Anuj Arora

Vice President, Office of the CEO

Mark Wilkinson

President, Citadel Securities Canada ULC

Sara Verstynen

Office of the CEO

Julie Bratley

Associate, Office of the CEO

Stephen Zamin

CFO of Citadel Securities Canada ULC

Michael Quell

Managing Director & Chief Operating Officer (COO), Global Derivatives

Aditya Telidevara

Global Head of Cloud Platform Engineering and Data

Joel Jensen

Office of the COO

Kraig Knas

Senior Vice President, FICC Sales

Deanna Rowe

Vice President, Product Management

Andrew Bostock

Vice President

Prachi Kalra

Associate, Office of the COO

Douglas Aragones

Senior Vice President, Citadel Execution Services (CES)

Ambar Soni

Vice President, Product Manager

Amit Bhuchar

Global FICC COO, Managing Director

James Lane

EMEA Deputy CCO / Head of Compliance

Jean-Paul Lam

COO - Arbitrage

Can Poge

Vice President, Rates Sales

Parijat Samant

ETF COO

Andrew Eberbach

Cloud Compute Developer

Curtis Ho

Associate, Office of the COO

Ronan Griffin

Chief Risk Officer (CRO) PCF14 and SMF4

Anna-Sara Pietilä

Senior Vice President, FICC Transaction Sales

Troy Kane

Chief Operating Officer (COO), Counterparty Strategy

Nicholas Scalabrino

Senior Vice President, Citadel Execution Services (CES)

Rusty Hewit

Vice President - Execution Services

Connor Kraft

Associate, Office of the COO

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