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Jillian Ashley


New York

Ashley Jillian
Jillian Ashley


New York

Jillian is a Partner in our Projects, Energy, Natural Resources and Infrastructure (PENRI) group and head of the U.S. China Group in the New York office. Jillian has significant experience representing investors, sponsors, developers and lenders on the acquisition, financing and development of major projects around the world in a wide range of sectors, including airports, rail, power generation (renewable and traditional) and distribution, water, ports and roads. She also has extensive experience advising on the structuring, formation, marketing and financing of private investment funds in the infrastructure, energy, real estate and mining sectors, including representing lenders and funds on subscription line, NAV and hybrid financings for funds. Chambers USA has noted Jillian as “Up and Coming” in PPP market.

Jillian has recently returned to Allen & Overy after serving as an Executive Director with J.P. Morgan Asset Management’s Infrastructure Investments Group, where she advised on the legal, compliance and risk aspects of all matters related to the Group’s private infrastructure investment fund, including fund structuring, investor onboarding and global financing and M&A transactions.

As head of the U.S. China Group, Jillian has particular experience advising Chinese clients on their projects in the Americas, and advising US clients on transactions related to China, in close coordination with Allen & Overy’s China offices.

Jillian attended both Harvard College and Harvard Law School, graduating with honors of summa cum laude and magna cum laude. Jillian is fluent in Mandarin.

Related articles

Publications: 06 March 2023

Women’s History Month 2023 – Women in Funds

For decades, Women’s History Month has been a time to reflect on women’s contribution to contemporary society. It celebrates what women can achieve, both individually and by supporting each other. 

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Publications: 09 December 2022

Run on energy and infrastructure deals set to drive further market evolution

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News: 23 June 2022

Allen & Overy advises on the USD9.5 billion transaction for new terminal one at JFK Airport, the largest single-asset project financing in U.S. history

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News: 06 June 2022

A&O advises Vauban’s acquisition of DB Energy Assets and Beacon Energy Holdings

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Banking and Finance


Public Law




New York

1221 Avenue of the Americas
New York
NY 10020

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Admitted: Bar of the State of New York, 2008


J.D., magna cum laude, Harvard Law School, 2007

A.B., summa cum laude, Harvard College, 2002

Fraudulent emails

Please note there is a known fraud/scam currently using the Allen & Overy brand and Jillian Ashley's name, including a fraud/scam asking users to sign an NDA via an eSignature platform.

More information on fraud using the Allen & Overy brand can be found here.


Published work

  • "Fortress America: The Federal Reserve’s Proposal to Impose U.S. Territorial Restrictions on Large Foreign Banks" The Banking Law Journal (March 2013), with Douglas Landy and Rebecca Smith
  • "Looking Back While Forging Ahead: What the History of Restrictions on Bank Affiliate Transactions May Tell Us About the Impact of the Dodd-Frank Changes," The Banking Law Journal (July/August 2011), with Douglas Landy and Rebecca Smith
  • "Limiting Koehler," International Financial Law Review, (March 2011), with Lanier Saperstein and Adrienne Schwisow
  • "Derivatives Between Banks And Their Affiliates," National Law Journal, (February 7, 2011) with Doug Landy and Rebecca Smith 
  • "Understanding China's State Secrets Laws: Corporate compliance programs must address the risk of improper disclosures of sensitive technical or commercial information," China Business Review, (January-March 2011) with Mitch Silk
  • "No More Friends with Benefits," The Deal Magazine, (November 30, 2010) with Doug Landy
  • "'There You Go Again': The Obama Administration Sends Proposed Text of Volcker Rule to Congress," The Banking Law Journal, (May 2010) with Doug Landy
  • "Banking on PE Investments," The Deal Magazine, (October 30, 2009) with Doug Landy
  • "Mastering the Storm," Regulation & Compliance, (January 2009) with Joshua Cohn
  • "Opening One Eye and Closing the Other: The legal and regulatory environment for 'Grassroots' NGOs in China today," Boston University International Law Journal, (Vol. 26:29, 2008) with Pengyu He
  • "Adopting and Adapting: Clinical legal education and access to justice in China," Harvard Law Review, (Vol. 120:2134, 2007)