Cravath Publishes Winter 2026 Issue of Alumni Journal
Annmarie M. Terraciano advises on environmental matters relating to mergers and acquisitions, capital markets transactions, financings and other business transactions, as well as on environmental‑related proceedings and indemnification disputes.
Ms. Terraciano also counsels companies on matters relating to Environmental, Social and Governance (“ESG”) concerns, including shareholder engagement, sustainability reporting and disclosure and diligence and integration matters.
Ms. Terraciano has worked on hundreds of transactions across all industries in the U.S. and internationally, including deals in heavy manufacturing; chemical production and refining; pulp and paper; iron and steel; mining; oil and gas exploration, refining, transport and services; power generation; pharmaceuticals; electronics; telecommunications; food and beverage production; consumer goods; insurance; commercial real estate and retail chains. She also provides counseling on environmental compliance matters; environmental proceedings; environmental indemnification disputes; and environmental aspects of periodic reporting obligations under securities laws.
Ms. Terraciano has been recognized for her transactional and regulatory work in the environmental area by, among others, Chambers USA, The Legal 500 US, The Best Lawyers in America and Super Lawyers.
Ms. Terraciano was born in New York. She received a B.A. cum laude from Wellesley College, in 1989, an M.S. from the University of Wisconsin – Madison in 1994 and a J.D. from Columbia Law School in 1998, where she was a Harlan Fiske Stone Scholar and an Articles Editor of the Human Rights Law Review.
Ms. Terraciano joined Cravath in 2001 and was named a senior attorney in 2012 and of counsel in 2025. Prior to joining Cravath, she practiced environmental litigation at a law firm in New York.
Ms. Terraciano also counsels companies on matters relating to Environmental, Social and Governance (“ESG”) concerns, including shareholder engagement, sustainability reporting and disclosure and diligence and integration matters.
Ms. Terraciano has worked on hundreds of transactions across all industries in the U.S. and internationally, including deals in heavy manufacturing; chemical production and refining; pulp and paper; iron and steel; mining; oil and gas exploration, refining, transport and services; power generation; pharmaceuticals; electronics; telecommunications; food and beverage production; consumer goods; insurance; commercial real estate and retail chains. She also provides counseling on environmental compliance matters; environmental proceedings; environmental indemnification disputes; and environmental aspects of periodic reporting obligations under securities laws.
Ms. Terraciano has been recognized for her transactional and regulatory work in the environmental area by, among others, Chambers USA, The Legal 500 US, The Best Lawyers in America and Super Lawyers.
Ms. Terraciano was born in New York. She received a B.A. cum laude from Wellesley College, in 1989, an M.S. from the University of Wisconsin – Madison in 1994 and a J.D. from Columbia Law School in 1998, where she was a Harlan Fiske Stone Scholar and an Articles Editor of the Human Rights Law Review.
Ms. Terraciano joined Cravath in 2001 and was named a senior attorney in 2012 and of counsel in 2025. Prior to joining Cravath, she practiced environmental litigation at a law firm in New York.
Education
-
J.D., 1998, Columbia Law SchoolHarlan Fiske Stone Scholar
-
M.S., 1994, University of Wisconsin - Madison
-
B.A., 1989, Wellesley Collegecum laude
Admitted In
- New York
Professional Affiliations
American Bar Association
New York City Bar Association
- Member of the Committee on International Environmental Law
Rankings
Best Lawyers in America
- Environmental Law (2026‑2010)
Chambers USA
- Environment: Mainly Transactional - New York (2025‑2012)
The Legal 500 US
- Environment: Transactional (2025-2017, 2015, 2014, 2013, 2011)
Super Lawyers - New York
- Environmental (2024‑2012)
Deals & Cases
March 31, 2026
Biogen’s $5.6 Billion Acquisition of Apellis
On March 31, 2026, Biogen Inc. and Apellis Pharmaceuticals, Inc. announced that the companies have entered into a definitive agreement under which Biogen has agreed to acquire all outstanding shares of Apellis for $41.00 per share in cash at closing, or approximately $5.6 billion. Apellis stockholders will also receive a nontransferable CVR for each Apellis share held, entitling the holder to receive two payments of $2 per share each, contingent on certain annual global net sales thresholds being met for SYFOVRE®. Cravath is representing Biogen in connection with the transaction.
Deals & Cases
March 23, 2026
Essential Utilities, Inc.’s Registered Senior Notes Offering
Cravath represented the underwriters in connection with the $500 million registered senior notes offering of Essential Utilities, Inc., a holding company for regulated utilities providing water, wastewater or natural gas services to an estimated 5.5 million people in Pennsylvania, Ohio, Texas, Illinois, North Carolina, New Jersey, Indiana, Virginia, and Kentucky under the Aqua and Peoples brands. The transaction closed on March 9, 2026.
Deals & Cases
March 09, 2026
Talkspace’s Acquisition by UHS
On March 9, 2026, Universal Health Services, Inc. (“UHS”) announced that it has entered into a definitive agreement to acquire Talkspace, Inc. (“Talkspace”) for $5.25 per share. The enterprise value for the transaction is approximately $835 million. Cravath is representing Talkspace in connection with the transaction.
Deals & Cases
March 02, 2026
Select Medical’s $3.9 Billion Acquisition by Consortium Led by Robert A. Ortenzio, Martin F. Jackson and WCAS
On March 2, 2026, Select Medical Holdings Corporation (“Select Medical”) announced that it has entered into a definitive agreement pursuant to which an entity affiliated with a consortium led by Robert A. Ortenzio, Executive Chairman, Co-Founder and Director of Select Medical, Martin F. Jackson, Senior Executive Vice President of Strategic Finance and Operations of Select Medical, and Welsh, Carson, Anderson & Stowe (“WCAS” and, together with Mr. Ortenzio and Mr. Jackson, the “Consortium”) will acquire all of the outstanding shares of common stock of Select Medical not already owned by the Consortium for a price per share of $16.50 in cash, representing an enterprise value of $3.9 billion, on the terms and subject to the conditions set forth in the merger agreement. Cravath is representing the buyer consortium in connection with the transaction.
Deals & Cases
February 24, 2026
ADT’s Acquisition of Origin
On February 24, 2026, ADT, a leading provider of security, interactive and smart home solutions serving residential and small business customers in the U.S., announced it has acquired Origin Wireless, Inc. (“Origin”), bringing Origin’s AI sensing platform and related intellectual property into the ADT ecosystem. The purchase price for the transaction was $170 million in cash, subject to customary purchase price adjustments. Cravath is representing ADT in connection with the transaction.
Firm News
November 20, 2025
Cravath Announces New Partners and Of Counsels
Cravath has elected the following new partners, who will become members of the Firm on January 1, 2026:
Annmarie M. Terraciano advises on environmental matters relating to mergers and acquisitions, capital markets transactions, financings and other business transactions, as well as on environmental‑related proceedings and indemnification disputes.
Ms. Terraciano also counsels companies on matters relating to Environmental, Social and Governance (“ESG”) concerns, including shareholder engagement, sustainability reporting and disclosure and diligence and integration matters.
Ms. Terraciano has worked on hundreds of transactions across all industries in the U.S. and internationally, including deals in heavy manufacturing; chemical production and refining; pulp and paper; iron and steel; mining; oil and gas exploration, refining, transport and services; power generation; pharmaceuticals; electronics; telecommunications; food and beverage production; consumer goods; insurance; commercial real estate and retail chains. She also provides counseling on environmental compliance matters; environmental proceedings; environmental indemnification disputes; and environmental aspects of periodic reporting obligations under securities laws.
Ms. Terraciano has been recognized for her transactional and regulatory work in the environmental area by, among others, Chambers USA, The Legal 500 US, The Best Lawyers in America and Super Lawyers.
Ms. Terraciano was born in New York. She received a B.A. cum laude from Wellesley College, in 1989, an M.S. from the University of Wisconsin – Madison in 1994 and a J.D. from Columbia Law School in 1998, where she was a Harlan Fiske Stone Scholar and an Articles Editor of the Human Rights Law Review.
Ms. Terraciano joined Cravath in 2001 and was named a senior attorney in 2012 and of counsel in 2025. Prior to joining Cravath, she practiced environmental litigation at a law firm in New York.
Ms. Terraciano also counsels companies on matters relating to Environmental, Social and Governance (“ESG”) concerns, including shareholder engagement, sustainability reporting and disclosure and diligence and integration matters.
Ms. Terraciano has worked on hundreds of transactions across all industries in the U.S. and internationally, including deals in heavy manufacturing; chemical production and refining; pulp and paper; iron and steel; mining; oil and gas exploration, refining, transport and services; power generation; pharmaceuticals; electronics; telecommunications; food and beverage production; consumer goods; insurance; commercial real estate and retail chains. She also provides counseling on environmental compliance matters; environmental proceedings; environmental indemnification disputes; and environmental aspects of periodic reporting obligations under securities laws.
Ms. Terraciano has been recognized for her transactional and regulatory work in the environmental area by, among others, Chambers USA, The Legal 500 US, The Best Lawyers in America and Super Lawyers.
Ms. Terraciano was born in New York. She received a B.A. cum laude from Wellesley College, in 1989, an M.S. from the University of Wisconsin – Madison in 1994 and a J.D. from Columbia Law School in 1998, where she was a Harlan Fiske Stone Scholar and an Articles Editor of the Human Rights Law Review.
Ms. Terraciano joined Cravath in 2001 and was named a senior attorney in 2012 and of counsel in 2025. Prior to joining Cravath, she practiced environmental litigation at a law firm in New York.
Education
-
J.D., 1998, Columbia Law SchoolHarlan Fiske Stone Scholar
-
M.S., 1994, University of Wisconsin - Madison
-
B.A., 1989, Wellesley Collegecum laude
Admitted In
- New York
Professional Affiliations
American Bar Association
New York City Bar Association
- Member of the Committee on International Environmental Law
Rankings
Best Lawyers in America
- Environmental Law (2026‑2010)
Chambers USA
- Environment: Mainly Transactional - New York (2025‑2012)
The Legal 500 US
- Environment: Transactional (2025-2017, 2015, 2014, 2013, 2011)
Super Lawyers - New York
- Environmental (2024‑2012)
Deals & Cases
March 31, 2026
Biogen’s $5.6 Billion Acquisition of Apellis
On March 31, 2026, Biogen Inc. and Apellis Pharmaceuticals, Inc. announced that the companies have entered into a definitive agreement under which Biogen has agreed to acquire all outstanding shares of Apellis for $41.00 per share in cash at closing, or approximately $5.6 billion. Apellis stockholders will also receive a nontransferable CVR for each Apellis share held, entitling the holder to receive two payments of $2 per share each, contingent on certain annual global net sales thresholds being met for SYFOVRE®. Cravath is representing Biogen in connection with the transaction.
Deals & Cases
March 23, 2026
Essential Utilities, Inc.’s Registered Senior Notes Offering
Cravath represented the underwriters in connection with the $500 million registered senior notes offering of Essential Utilities, Inc., a holding company for regulated utilities providing water, wastewater or natural gas services to an estimated 5.5 million people in Pennsylvania, Ohio, Texas, Illinois, North Carolina, New Jersey, Indiana, Virginia, and Kentucky under the Aqua and Peoples brands. The transaction closed on March 9, 2026.
Deals & Cases
March 09, 2026
Talkspace’s Acquisition by UHS
On March 9, 2026, Universal Health Services, Inc. (“UHS”) announced that it has entered into a definitive agreement to acquire Talkspace, Inc. (“Talkspace”) for $5.25 per share. The enterprise value for the transaction is approximately $835 million. Cravath is representing Talkspace in connection with the transaction.
Deals & Cases
March 02, 2026
Select Medical’s $3.9 Billion Acquisition by Consortium Led by Robert A. Ortenzio, Martin F. Jackson and WCAS
On March 2, 2026, Select Medical Holdings Corporation (“Select Medical”) announced that it has entered into a definitive agreement pursuant to which an entity affiliated with a consortium led by Robert A. Ortenzio, Executive Chairman, Co-Founder and Director of Select Medical, Martin F. Jackson, Senior Executive Vice President of Strategic Finance and Operations of Select Medical, and Welsh, Carson, Anderson & Stowe (“WCAS” and, together with Mr. Ortenzio and Mr. Jackson, the “Consortium”) will acquire all of the outstanding shares of common stock of Select Medical not already owned by the Consortium for a price per share of $16.50 in cash, representing an enterprise value of $3.9 billion, on the terms and subject to the conditions set forth in the merger agreement. Cravath is representing the buyer consortium in connection with the transaction.
Deals & Cases
February 24, 2026
ADT’s Acquisition of Origin
On February 24, 2026, ADT, a leading provider of security, interactive and smart home solutions serving residential and small business customers in the U.S., announced it has acquired Origin Wireless, Inc. (“Origin”), bringing Origin’s AI sensing platform and related intellectual property into the ADT ecosystem. The purchase price for the transaction was $170 million in cash, subject to customary purchase price adjustments. Cravath is representing ADT in connection with the transaction.
Firm News
November 20, 2025
Cravath Announces New Partners and Of Counsels
Cravath has elected the following new partners, who will become members of the Firm on January 1, 2026:
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