Cassandra Seier, Head of International Capital Markets at the New York Stock Exchange (NYSE), has tragically passed away, leaving her colleagues and the entire financial community in mourning.
A pioneer in global finance, Seier spent nearly two decades at Goldman Sachs before joining the NYSE during the 2022 Covid-19 pandemic.
The NYSE confirmed Seier’s passing over the weekend in a statement Reuters but declined to provide further information on the cause of her death.
Several media reports indicate that Seier may have been killed in a bicycle accident in the Bahamas’ Exuma district.
According to eFinancial Careers she lost control of her bike at Highbourne Cay and was taken to the nearest medical center, New Providence, but she could not survive.
Who was Cassandra Seier?
Seier earned his degree in finance and economics from the University of Oregon’s Lundquist College of Business.
She started her career at Goldman Sachs (the world’s leading investment banking, securities and investment management firm) in 1996, initially working in Singapore as an operations specialist.
Four years later, she moved to New York as Client Services Team Leader and eventually became responsible for CEO in 2014.
Seier, at the NYSE, was responsible for sourcing IPOs from international companies across Canada, EMEA, Asia and Latin America, while also advising companies and investors on initial public offerings (IPOs).
A leading voice in the financial community, Seier was deeply passionate about promoting diversity and mentorship in finance.
She also served as CEO and President of Women in Financial Markets (WIFM), a dedicated non-profit organization that provides networking and mentorship opportunities for underrepresented groups, particularly women in the financial sector.
Lynn Martin, president of the NYSE, paid tribute to Seier on LinkedIn, highlighting her passion and commitment.
She described Seier as a “tireless defender of the principles she believed in and a fierce champion for every customer she touched.”
Seier is survived by her husband, Thomas Seier, and their son.
Cassandra Seier’s death marks a tragic loss to the financial community and leaves a legacy of women’s empowerment, leadership in the industry.



