Passions

Hanging out with her four kids, Irish husband and very active and goofy rescue pup

Watching rugby, paddleboarding, golfing and playing pickleball

Ice-cold beach beers

Great music from every era

 

Experience

Cooley Advises PrizePicks on Sale to Allwyn for up to $4.15 Billion

September 22, 2025

Cooley advised PrizePicks, the largest daily fantasy sports operator in North America, on its definitive agreement for Allwyn International to acquire a majority stake in PrizePicks.

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Related contacts

Kevin Cooper
Partner, New York
Mike Lincoln
Vice Chair, Reston
Vicky Kandabarow
Associate, Washington, DC
Eileen Marshall
Partner, Washington, DC
Paula Fleckenstein
Associate, Reston
Sarah Buchik
Associate, New York
Dennis F. Craig II
Associate, Washington, DC
Edward Sniezek
Associate, Reston
Asal Yunusov
Associate, New York
Mariam Kamal
Associate, New York
Philip Bowman
Partner, New York
Megan Browdie
Partner, Washington, DC
Helenanne Connolly
Partner, Reston
Christopher Kimball
Partner, Washington, DC
Adam J. Longenbach
Partner, New York
Kristen Mathews
Partner, New York
Ryan Montgomery
Partner, Boston
Stella Sarma
Partner, Brussels
Matthew Schwee
Partner, Reston
Michael Tollini
Partner, Washington, DC
David Walsh
Senior Counsel, Reston
Stacey A. Bradford
Special Counsel, Washington, DC
Julia R. Brinton
Special Counsel, Washington, DC
Andrew Epstein
Special Counsel, Seattle
Jeff Goldman
Special Counsel, Palo Alto
Kimberly Nguyen
Special Counsel, Reston
Rebecca Ross
Special Counsel, Washington, DC
Mark Cornillez-Ty
Associate, Los Angeles
David Dalton
Associate, Santa Monica
Mari Dugas
Associate, Washington, DC
Athina Gaki
Associate, Brussels
Virat Gupta
Associate, Washington, DC
Bomin Kim
Associate, New York
Alexandra Leavy
Associate, New York
Pat O'Connell
Associate, New York
Shaun (Tianjie) Wang
Associate, New York
Patricia Myers
Paralegal Specialist, Colorado
Brian Mitchell
Transactional Quantitative Analyst, San Diego

Related Practices & Industries

Heliogen Announces Sale to Zeo Energy

May 29, 2025

Cooley advised Heliogen, a provider of on-demand clean energy technology solutions, on its definitive agreement with Zeo Energy, a Florida-based provider of residential solar and energy efficiency solutions, representing the culmination of Heliogen’s review of strategic alternatives and pursuant to which Zeo will acquire all of Heliogen’s outstanding equity securities in an all-stock transaction.

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Related contacts

Bill Roegge
Partner, New York
John-Paul Motley
Partner in Charge, Los Angeles, Los Angeles
Dave Young
Partner, Santa Monica
Kevin Cooper
Partner, New York
Lindsey O'Crump
Associate, Washington, DC
Alexander Gefter
Associate, Santa Monica
Pat O'Connell
Associate, New York
Susan Choy
Associate, New York
Well Mackey Jr
Associate, New York
Eileen Marshall
Partner, Washington, DC
Timothy Shapiro
Partner, Palo Alto
Calvin Lee
Associate, New York
Austin Holt
Partner, Santa Monica
Alessandra Murata
Partner, Palo Alto
Mark Cornillez-Ty
Associate, Los Angeles
Helenanne Connolly
Partner, Reston
Ross Eberly
Partner, Santa Monica
Michael Neumeister
Partner, Los Angeles
Justin Kisner
Special Counsel, San Diego
Su Lian Lu
Special Counsel, Santa Monica
Michael Aridi Barake
Associate, Santa Monica
Nikki Chang DiFederico
Associate, San Francisco
Jeremiah P. Ledwidge
Associate, New York
Eileen Leman
Associate, Los Angeles
Sangitha Palaniappa
Associate, Palo Alto
Jill Simon
Senior Paralegal, New York
Brian Mitchell
Transactional Quantitative Analyst, San Diego

Related Practices & Industries

Tenable to Acquire Apex Security

May 29, 2025

Cooley advised Tenable, an exposure management company, on its definitive agreement to acquire Apex Security, an innovator in securing the rapidly expanding artificial intelligence attack surface.

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Related contacts

Bill Roegge
Partner, New York
Meredith Klionsky
Special Counsel, Washington, DC
David Silverman
Partner, New York
Pat O'Connell
Associate, New York
Mike Lincoln
Vice Chair, Reston
Ariane A. Andrade
Partner, Chicago
Helenanne Connolly
Partner, Reston
Len Jacoby
Partner, New York
Eileen Marshall
Partner, Washington, DC
Jeremy Morrison
Partner, Washington, DC
Stella Sarma
Partner, Brussels
Chris Stack
Partner, London
Andrew Epstein
Special Counsel, Seattle
Rebecca Ross
Special Counsel, Washington, DC
Sharon Davidov
Associate, New York
Megan Drill
Associate, San Diego
Athina Gaki
Associate, Brussels
Eileen Leman
Associate, Los Angeles
Anisha Mohin
Associate, New York
Michael Pelle
Associate, New York
Shelby Saunders
Associate, New York
Patrick Sharma
Associate, Santa Monica
Patricia Myers
Paralegal Specialist, Colorado
Brandon Lefebvre
Quantitative Analyst, Boston

Related Practices & Industries

Sitemetric Announces Strategic Investment From Gemspring Capital Management

February 12, 2025

Cooley advised Sitemetric, an industry-leading connected jobsite and workforce management platform, on its strategic growth investment from an affiliate of Gemspring Capital Management.

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Related contacts

Matthew Schwee
Partner, Reston
Edward Sniezek
Associate, Reston
Lila Inman
Associate, Reston
Tyler Day
Associate, Reston
Heather McShea
Associate, Washington, DC
Creigh Greensmith
Associate, Reston
MaryBeth Shreiner
Special Counsel, Reston
William Corcoran
Of Counsel, Boston
David Walsh
Senior Counsel, Reston
Paula Fleckenstein
Associate, Reston
Helenanne Connolly
Partner, Reston
Addison Pierce
Partner, Chicago
Rachel Thorn
Of counsel, New York
Ryan Vann
Partner, Chicago
Summer Wynn
Partner, San Diego
Stacey A. Bradford
Special Counsel, Washington, DC
Kimberly Nguyen
Special Counsel, Reston
Claire M. Gibbs
Associate, Washington, DC
Katie Kissner
Quantitative Analyst, San Francisco
Brian Mitchell
Transactional Quantitative Analyst, San Diego

Related Practices & Industries

CinCor Pharma to Sell to AstraZeneca for Approximately $1.8 Billion

January 10, 2023

Cooley advised CinCor Pharma, a clinical-stage biopharmaceutical company, on its definitive agreement to be acquired by AstraZeneca. M&A partners Rama Padmanabhan and Rowook Park and corporate partners Div Gupta and Sarah Sellers led the Cooley team.

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Related contacts

Rowook Park
Partner, San Diego
Rama Padmanabhan
Partner, San Diego
Div Gupta
Partner, New York
Sarah Sellers
Partner, New York
Christophe Beauduin
Partner, New York
Izzy Lubarsky
Partner, New York
Alessandra Murata
Partner, Palo Alto
Megan Drill
Associate, San Diego
Trey Reilly
Associate, New York
Amy Hallman Rice
Special Counsel, San Diego
Howard Morse
Senior Counsel, Washington, DC
Sharon Connaughton
Special Counsel, Washington, DC
Rubin Waranch
Associate, Colorado
Natasha Leskovsek
Of Counsel, Washington, DC
Phil Mitchell
Partner, New York
Charity Williams
Partner, San Diego
MaryBeth Shreiner
Special Counsel, Reston
Mark Windfeld-Hansen
Senior Counsel, Palo Alto
Patrick Sharma
Associate, Santa Monica
Karen Tsai
Special Counsel, Washington, DC
Ryan Sansom
Partner, Boston
Stephanie Gentile
Partner, New York
Christopher Kimball
Partner, Washington, DC
Nyron J. Persaud
Partner, New York
Helenanne Connolly
Partner, Reston
Stella Sarma
Partner, Brussels
Stella Sarma
Partner, Brussels
Stacey A. Bradford
Special Counsel, Washington, DC
Dillon Martinson
Special Counsel, Washington, DC
Lindsey O'Crump
Associate, Washington, DC
Barry Kuang
Associate, Boston
Rajdeep Roger Bains
Associate, San Diego
Alexander Fullman
Associate, New York
Amanda Gonzalez Burton
Associate, New York
Sarah Curry
Associate, New York
Carly Mitchell
Partner, Washington, DC
Wyatt Kernell
Associate, Colorado
Allison Kutner
Associate, New York

Related Practices & Industries

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Admissions and credentials

Virginia

Maryland

Rankings and accolades

Chambers USA: Labor & Employment – Virginia (2024 – 2025)

The Legal 500 US: Workplace and Employment Counseling (2025)

Virginia Super Lawyers: Rising Star (2013 – 2015)

Memberships and affiliations

Cooley Special Counsel Oversight Committee, co-chair and founding member (2021 – 2025)

Arlington County Board Human Rights Commission, chair

Washington Ireland Program, host

The Women’s Center, general counsel (2015 – 2016)

Child and Family Network Centers, board member (2013 – 2016)

Helenanne was instrumental in helping us come to the best resolution possible. Her knowledge and expertise helped us negotiate a deal that satisfied all the various stakeholders and for that we are incredibly grateful.

Client 1, Chambers

Helenanne was an outstanding, trusted partner when our company needed her services. She expertly guided us through several complex issues.

Client 2, Chambers

Helenanne is one of the best and most effective labor and employment attorneys I’ve worked with. She brings great commercial knowledge, helpful advice and a real concern for our business.

Client 3, Chambers

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