Byron B. Rooney

byron.rooney@lw.com

+44.20.7710.1101

Band 1 – FinTech Legal: Corporate, Securities & Financing (USA)

Chambers FinTech 2021-2026

Ranked – Capital Markets: Debt & Equity (Eastern United States)

Chambers USA 2026

Highly Regarded – Capital Markets (Debt, Equity) (United States)

IFLR 1000

Leading Partner – Capital Markets: Debt Offerings

Legal 500 US 2023-2026

Leading Partner – Capital Markets: Equity Offerings

Legal 500 US 2025-2026

Best in Capital Markets – Americas Rising Star Awards

Euromoney Legal Media Group 2019

Rising Star – Capital Markets

Law360 2016, 2018

Profile

Byron Rooney, Global Vice Chair of Latham’s Capital Markets Practice, advises private and public company clients, as well as investment banks, on a broad range of general corporate and securities matters, with a particular focus on capital-raising transactions, public company disclosure, and corporate governance.

Byron draws on extensive experience to represent clients in:

Initial public offerings (IPOs) and direct listings
Mid- and late-stage pre-IPO private placements
Other equity offerings, including de-SPAC transactions as well as secondary and follow-on offerings
Investment-grade, high-yield, and convertible debt offerings

Byron advises clients across a variety of industries, including fintech, technology, aerospace and defense, e-commerce, consumer retail, financial services, and energy.

Before joining Latham, Byron was a partner at another global law firm.

Experience

Byron’s experience prior to joining Latham includes advising:

IPOs, Public Listings, and Other Equity Offerings

SpaceX on its US$75 billion IPO
PayPay on its US$879.8 million IPO
Figure Technology Solutions on its:
- US$788 million IPO
- First blockchain-native common equity offering registered with the US Securities and Exchange Commission (SEC)
Legence on its US$728 million IPO
Klarna on its US$1.37 billion IPO
Chime on its US$993.6 million IPO
Nubank on its US$2.6 billion IPO
Iris Energy on its US$215.3 million IPO
Remitly on its US$522.9 million IPO
Robinhood on its US$2.1 billion IPO
VTEX on its US$415 million IPO
TaskUs on its US$303.6 million IPO
Paymentus on its US$241.5 million IPO
UiPath on its US$1.54 billion IPO
Alignment Healthcare on its US$489.6 million IPO
Bumble on its US$2.5 billion IPO
Affirm on its US$1.39 billion IPO
Hydrofarm on its US$199 million IPO
MediaAlpha on its US$175.8 million IPO
Nuvei on its US$805 million IPO
Pactiv Evergreen on its US$574 million IPO
Reynolds Consumer Products on its US$1.4 billion IPO
XP on its US$2.25 billion IPO
HBT Financial on its US$132.8 million IPO
StoneCo on its US$1.4 billion IPO and concurrent private placement
BrightView on its US$468.6 million IPO
First Data on its US$2.56 billion IPO

Public and Private Company Equity Offerings

He has advised on de-SPAC transactions and equity offerings for:

Ebanx
Figure
Fiserv
Hub International
MediaAlpha
MoneyLion
Nuvei
Octane
Pagaya
Paya
PayClip
Payoneer
Plaid
Rollins
Shopify
StoneCo
TaskUs
Upgrade
Vestwell
XP

Debt Offerings

Byron has advised on investment-grade and high-yield debt offerings for:

Atlassian
Bombardier
Caterpillar
Corteva
Devon Energy
DuPont de Nemours
Emera
EnVen Energy
Fifth Third Bancorp
First Citizens BancShares
Fiserv
KKR
Kosmos Energy
Mastercard
Motorola Solutions
Pactiv Evergreen
Pagaya Technologies
PL Developments
SpaceX

Qualifications

Bar Qualification

England and Wales (Registered Foreign Lawyer)
New York

Education

LLM, Boston University School of Law, 2006
BCom, Bond University, 2005
First Class Honors
LLB, Bond University, 2005
First Class Honors

Practices

Industries

Wide angle of Latham & Watkins New York office entrance at 1271 Avenue of the Americas.

July 10, 2026 Press Release

Elite Capital Markets Partners to Join Latham & Watkins, Further Expanding Firm’s Market Leadership

Byron Rooney and Dan Gibbons will further solidify Latham’s position as the preeminent capital markets firm in the US and worldwide. Accomplished partners will bring extensive experience advising companies, investment banks, and other market participants on a broad range of public and private capital-raising transactions and corporate matters, with a particular focus on fintech, digital assets, and other innovative technologies. Rooney will join as Global Vice Chair of the firm’s Capital Markets Practice. Rooney and Gibbons will add more expertise and depth to the firm’s singular Capital Strategies offering.