Founder
Mattia Colonnelli de Gasperis
mcolonnelli@colonnellilaw.com
Tel.: +39 02 3657.2261
Fax: +39 02 3657.2269
Practice Areas
  • Banking
  • Finance and Capital Markets
  • Corporate and Commercial
  • Energy and Infrastructures
  • Environmental Law
  • Insurance
  • Intellectual Property
  • Litigation and Arbitration
  • Mergers and Acquisitions
  • Private Equity and Venture Capital
  • Real Estate and Construction
  • Regulatory
  • Reorganization and Insolvency
  • TMT and Information Technology
Education
2009: University of Trieste (Ph.D. in finance, University of Trieste Scholarship).European Law).
2003: Columbia Law School (LL.M., Harlan Fiske Stone Scholar, Fulbright Fellow, Institute of International Education Fellow, University of Rome “La Sapienza” Scholarship, Editor of the Columbia Journal of European Law).2002: Italian Stock & Exchange Commission (Research Fellow).
2001: The George Washington University (Research Fellow).
2000: Jemolo Institute (LL.M., Region Lazio Scholarship).European Law).
1999: Yale Law School (Exchange Student).
1998: University of Rome “La Sapienza” (J.D., maxima cum laude).
Bar Admission
Italy, 2002. New York, 2004.
Qualifications
Professor at the Law School of the University of Rome LUISS Guido Carli.
 
Membership

American Bar Association (Chair-Deputy, Section of International Law, 2018-2020; Chair, Europe Committee, 2014-2017; Chair, Legal Practice Division, 2015-2017; Liaison, Consiglio Nazionale Forense, 2014-2018; Chair, International Private Equity and Alternative Investments, 2012-2014; Chair, International Mergers & Acquisitions and Joint Ventures, 2010-2012); International Bar Association; Fulbright Association; Fellow of the American Bar Foundation; World Bank (Local Partner); New York State Bar Association.

Languages
  • English
  • French
  • Italian
Testimonials

“Mattia Colonnelli de Gasperis is held in high esteem for his tremendous experience in corporate M&A, as well as in complex reorganisations.”
Lexology, 2025

“Mattia Colonnelli de Gasperis is described by peers as “a remarkable leader” in the M&A market, where he provides “an excellent level of services and tailor-made solutions” for his clients.”
Who’s Who Legal, 2024

“Mattia Colonnelli de Gasperis is highly sought after by private equity and venture capital funds for his strong commercial mindset and expertise in cross-border transactions.”
Who’s Who Legal, 2023

“Mattia Colonnelli de Gasperis is widely endorsed as “a consummate professional and collaborative thinker” who is “without doubt a leading practitioner in the field of corporate M&A.””
Who’s Who Legal, 2022

“Mattia Colonnelli de Gasperis is the “M&A lawyer of choice in Italy” as a result of his strong experience of cross-border transactions.”
Who’s Who Legal, 2021

“Mattia Colonnelli de Gasperis is singled out as “the go-to M&A Lawyer in Italy”, whom peers recommend without hesitation.”
Who’s Who Legal, 2020