Sullivan
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Past Events

Sullivan & Worcester Attorneys Named to the 2026 Lawdragon 500 Leading Global Tax Lawyers Guide
When: June 17, 2026
People: Richard L. Jones, David J. Nagle and Ameek Ashok Ponda
Sullivan & Worcester Ranked in the Legal 500 United States 2026 Edition
When: June 15, 2026
People: Benjamin J. Armour, Victor N. Baltera, Howard E. Berkenblit, Harvey E. Bines, Ashley H. Brooks, Nicole M. Crum, Christopher C. Curtis, Patrick P. Dinardo, Angela Gomes, David A. Guadagnoli, Lewis J. Greenwald, Scott L. Kaufman, Karen J. Kepler, Caroline A. Kupiec, David M. Leahy, Natalie S. Lederman, Sharon G. Leifer, David C. Mahaffey, Anna Lea (Setz) McNerney, Louis A. Monti, David J. Nagle, Ameek Ashok Ponda, Eric J. Rietveld, Ryan M. Rosenblatt, Daniel P. Ryan, Gregory S. Sampson, Lewis N. Segall, Christopher K. Shields, Gerry Silver, Amy E. Sheridan, Laura A. Steinberg, John M. Steiner, Douglas S. Stransky, Michael T. Sullivan, Joel S. Telpner, Erika L. Todd, Ashley Tan, Sarah D. Wellings, Shu Wei and Amy A. Zuccarello
Sullivan & Worcester Ranked in Chambers USA 2026 Edition
When: June 4, 2026
People: Ashley H. Brooks, Cameron N. Cosby, David A. Guadagnoli, William C. Hanson, Richard L. Jones, David M. Leahy, David C. Mahaffey, Stephanie Monaco, Louis A. Monti, Ameek Ashok Ponda, Domenick Pugliese, Nicole Rives, Gregory S. Sampson, Amy E. Sheridan, Douglas S. Stransky, Sarah D. Wellings and Amy A. Zuccarello
Sullivan Attorneys Selected to 2026 Massachusetts Super Lawyers and Rising Stars Lists
When: April 17, 2026
People: Matthew F. Bailey, Emily D. Brewer, Steven M. Cunningham, Jr., Patrick P. Dinardo, William C. Hanson, Richard L. Jones, David J. Nagle, Ameek Ashok Ponda, Eric J. Rietveld, Ryan M. Rosenblatt, Brandon M. Schneider, Douglas S. Stransky, Ashley Tan, Ryan C. Tompkins and Amy A. Zuccarello
Sullivan & Worcester Attorneys Named to 2025 Top Lawyers List by Boston Magazine
When: November 25, 2025
People: Benjamin J. Armour, Howard E. Berkenblit, Ashley H. Brooks, Maura C. Carney, Joel R. Carpenter, Steven M. Cunningham, Jr., Patrick P. Dinardo, Judith G.H. Edington, Kimberly Herman, Richard L. Jones, Louis A. Monti, David J. Nagle, Ameek Ashok Ponda, Ryan M. Rosenblatt, Gregory S. Sampson, Lewis N. Segall, John M. Steiner, Spencer A. Stone, Erika L. Todd and Amy A. Zuccarello
Sullivan & Worcester Recognized in ITR's World Tax Guide 2026
When: November 14, 2025
People: Joel R. Carpenter, Lewis J. Greenwald, David A. Guadagnoli, Richard L. Jones, David J. Nagle, Ameek Ashok Ponda, Daniel P. Ryan and Douglas S. Stransky
Sullivan Attorneys Selected to 2025 Massachusetts Super Lawyers and Rising Stars Lists
When: October 24, 2025
People: Matthew F. Bailey, Emily D. Brewer, Steven M. Cunningham, Jr., Patrick P. Dinardo, William C. Hanson, Richard L. Jones, Caroline A. Kupiec, David J. Nagle, Ameek Ashok Ponda, Eric J. Rietveld, Ryan M. Rosenblatt, Brandon M. Schneider, Douglas S. Stransky, Ashley Tan, Ryan C. Tompkins, Shu Wei and Amy A. Zuccarello
44 Sullivan & Worcester Lawyers Named as “Best Lawyers” Award Recipients
When: August 21, 2025
People: Victor N. Baltera, Carole M. Bass, Howard E. Berkenblit, J. Truman Bidwell, Jr, Harvey E. Bines, Ashley H. Brooks, Joel R. Carpenter, John L. Chilton, Henry W. Comstock, Jr., Cameron N. Cosby, Nicole M. Crum, Christopher C. Curtis, Patrick P. Dinardo, Alexander Gansebom, Emily A. Goldschmidt, John K. Graham, David A. Guadagnoli, Warren M. Heilbronner, Zachary Hyde, Richard L. Jones, Karen J. Kepler, Caroline A. Kupiec, David M. Leahy, David C. Mahaffey, Thomas Meyers, Lisa N. Mingolla, Stephanie Monaco, Louis A. Monti, Cornelius J. Murray, III, David J. Nagle, Ameek Ashok Ponda, Domenick Pugliese, Constantine P. Ralli, Lewis N. Segall, Ryan M. Rosenblatt, Gregory S. Sampson, Amy E. Sheridan, Laura A. Steinberg, Ashley Tan, Eric Victorson, Sarah D. Wellings and Amy A. Zuccarello
IRS Makes a Move on Cloud Transaction Sourcing Rule
When: July 18, 2025
People: Ameek Ashok Ponda
Sullivan & Worcester Ranked in the Legal 500 United States 2025 Edition
When: June 13, 2025
People: Benjamin J. Armour, Victor N. Baltera, Howard E. Berkenblit, Ashley H. Brooks, John L. Chilton, Nicole M. Crum, Patrick P. Dinardo, Angela Gomes, David A. Guadagnoli, Lewis J. Greenwald, Scott L. Kaufman, Karen J. Kepler, Caroline A. Kupiec, David M. Leahy, Natalie S. Lederman, David C. Mahaffey, Anna Lea (Setz) McNerney, Louis A. Monti, David J. Nagle, Ameek Ashok Ponda, Domenick Pugliese, Avinash R. Rao, Eric J. Rietveld, Ryan M. Rosenblatt, Daniel P. Ryan, Gregory S. Sampson, Lewis N. Segall, Gerry Silver, Amy E. Sheridan, Laura A. Steinberg, John M. Steiner, Douglas S. Stransky, Joel S. Telpner, Erika L. Todd, Ashley Tan, Sarah D. Wellings and Shu Wei
Sullivan & Worcester Ranked in Chambers USA 2025 Edition
When: June 5, 2025
People: Ashley H. Brooks, Cameron N. Cosby, Patrick P. Dinardo, David A. Guadagnoli, Richard L. Jones, David M. Leahy, David C. Mahaffey, Stephanie Monaco, Louis A. Monti, Ameek Ashok Ponda, Domenick Pugliese, Nicole Rives, Gregory S. Sampson, Amy E. Sheridan, Douglas S. Stransky, Sarah D. Wellings and Amy A. Zuccarello
Three Sullivan & Worcester Attorneys Named to the Lawdragon 500 Leading Global Tax Lawyers Guide
When: May 28, 2025
People: David J. Nagle, Ameek Ashok Ponda and Richard L. Jones
Sullivan & Worcester Hires Fried Frank REIT Tax Pro
When: April 10, 2025
People: Cameron N. Cosby and Ameek Ashok Ponda
Sullivan & Worcester Attorneys Named to 2024 Top Lawyers List by Boston Magazine
When: November 19, 2024
People: Howard E. Berkenblit, Ashley H. Brooks, Maura C. Carney, Patrick P. Dinardo, Richard L. Jones, Louis A. Monti, David J. Nagle, Ameek Ashok Ponda, Ryan M. Rosenblatt, Gregory S. Sampson, Lewis N. Segall, Erika L. Todd and Amy A. Zuccarello
Sullivan Attorneys Named 2024 Massachusetts Super Lawyers and Rising Stars
When: September 27, 2024
People: Emily D. Brewer, Steven M. Cunningham, Jr., Patrick P. Dinardo, William C. Hanson, Richard L. Jones, Caroline A. Kupiec, David J. Nagle, Ameek Ashok Ponda, Eric J. Rietveld, Ryan M. Rosenblatt, Brandon M. Schneider, Douglas S. Stransky, Ashley Tan, Ryan C. Tompkins, Shu Wei and Amy A. Zuccarello
Sullivan & Worcester Recognized as a Leading Firm in ITR's World Tax Guide 2025
When: August 21, 2024
People: Richard L. Jones, David J. Nagle, Ameek Ashok Ponda and Douglas S. Stransky
33 Sullivan & Worcester Lawyers Recognized as Best Lawyers® Award Recipients
When: August 15, 2024
People: Victor N. Baltera, Carole M. Bass, Howard E. Berkenblit, J. Truman Bidwell, Jr, Harvey E. Bines, Ashley H. Brooks, Joel R. Carpenter, John L. Chilton, Henry W. Comstock, Jr., Steven M. Cunningham, Jr., Christopher C. Curtis, Patrick P. Dinardo, John K. Graham, David A. Guadagnoli, Warren M. Heilbronner, Richard L. Jones, Karen J. Kepler, Caroline A. Kupiec, David M. Leahy, Natalie S. Lederman, David C. Mahaffey, Lisa N. Mingolla, Louis A. Monti, Cornelius J. Murray, III, David J. Nagle, Michael S. Palmisciano, Ameek Ashok Ponda, Domenick Pugliese, Constantine P. Ralli, Avinash R. Rao, Gregory S. Sampson, Lewis N. Segall, Amy E. Sheridan, Laura A. Steinberg, Ashley Tan, Ryan C. Tompkins, Shu Wei and Amy A. Zuccarello
Boston Real Estate Times Announces 2024 Excellence Award Winners
When: August 14, 2024
People: Ameek Ashok Ponda
Sullivan REIT and Tax Teams Advise on $250 Million American Tower-Stonepeak Joint Venture
When: August 2, 2024
People: Joel R. Carpenter, Ameek Ashok Ponda, Sarah D. Wellings and Connie Lee
Sullivan Earns Top Rankings in the 2024 Edition of The Legal 500 United States
When: June 12, 2024
People: Benjamin J. Armour, Victor N. Baltera, Howard E. Berkenblit, Ashley H. Brooks, John L. Chilton, Johanna Colpritt, Nicole M. Crum, Christopher C. Curtis, Patrick P. Dinardo, Emily A. Goldschmidt, Angela Gomes, David A. Guadagnoli, William C. Hanson, John Hunt, Karen J. Kepler, Scott L. Kaufman, Caroline A. Kupiec, David M. Leahy, Natalie S. Lederman, David C. Mahaffey, David J. Nagle, Ameek Ashok Ponda, Domenick Pugliese, Eric J. Rietveld, Avinash R. Rao, Nicole Rives, Daniel P. Ryan, Gregory S. Sampson, Rachael L. Schwartz, Amy E. Sheridan, Douglas S. Stransky, Michael J. Student, John M. Steiner, Lewis N. Segall, Gerry Silver, Laura A. Steinberg, Marc L. Stern, Joel S. Telpner, Sarah D. Wellings and Amy A. Zuccarello
Sullivan & Worcester Ranked in the 2024 Edition of Chambers USA
When: June 6, 2024
People: Ashley H. Brooks, Patrick P. Dinardo, David A. Guadagnoli, Richard L. Jones, David M. Leahy, David C. Mahaffey, Ameek Ashok Ponda, Domenick Pugliese, Nicole Rives, Gregory S. Sampson, Amy E. Sheridan and Amy A. Zuccarello
Sullivan Hosts Mayor of Boston Michelle Wu and City Councilor Brian Worrell
When: May 23, 2024
People: Aidan F. Browne, Ashley H. Brooks and Ameek Ashok Ponda

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One of the Largest Global REITs and Its Subsidiary Form a New Joint Venture

Our marquee REIT and Tax teams advised American Tower Corporation (NYSE: AMT), one of the largest global REITs, and its subsidiary CoreSite in the formation of a new joint venture with Stonepeak, a leading alternative investment firm specializing in infrastructure and real property assets, to develop, build and operate an 18-megawatt data center in Denver, Colorado. CoreSite provides IT infrastructure that empowers enterprises and cloud, network and IT service providers to monetize and future-proof their digital businesses. The total estimated development costs for the 18-megawatt data center are expected to be more than $250 million.

Sullivan’s team was led by Ameek Ashok Ponda, director of the Tax Department, with Sullivan Tax partners Joel Carpenter and Sarah Wellings, and associate Connie Lee, contributing to the successful deal.

Ameek Ashok Ponda, Joel R. Carpenter, Sarah D. Wellings and Connie Lee

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