Marty Mannion

Managing Director & Co-Head at TD Securities Automated Trading

Marty Mannion is the Managing Director and Co-Head at TD Securities Automated Trading, LLC. He has a notable background in the financial markets, beginning his career at NASDAQ in 2000 during a significant shift towards automated trading. In 2004, he joined Citadel, where he played a crucial role in developing their equity and options market-making businesses, which were foundational to Citadel Securities' growth.1 2

In 2013, Mannion co-founded Headlands Tech Global Markets (HTGM), where he served as Co-CEO until its acquisition by TD Securities in 2021. This acquisition was strategic for TD, as it enhanced their electronic trading capabilities and allowed them to leverage HTGM's expertise across their global fixed income franchise.1 2 3 At TD Securities, Mannion focuses on delivering innovative electronic solutions to institutional clients, particularly in the municipal and investment-grade corporate bond markets.1 3

Mannion graduated from The George Washington University in 1997 with a degree in International Affairs and is based in Chicago, Illinois.1 4 His career reflects a strong commitment to advancing automated trading technologies within the financial sector.