ProfessionalsMichael Spirtos
Tel: +1-212-373-2157
Fax: 347-402-7075
mspirtos@paulweiss.com
mspirtos@paulweiss.com
1285 Avenue of the Americas
New York,
NY
10019-6064
Fax: 347-402-7075
A counsel in the Corporate Department and a member of the firm’s Mergers & Acquisitions Group, Michael primarily focuses on public and private company transactions. His practice includes counseling clients on mergers, joint ventures, asset acquisitions and divestitures with a specific focus on digital infrastructure.
Michael was recognized in Texas’ Best Lawyers as “One to Watch” for 2023 and 2024 and in New York’s Best Lawyers as “One to Watch” in 2025 for his work in M&A.
EXPERIENCE
Michael’s representative matters have included advising:
Infrastructure
- American Tower in its $3.5 billion acquisition of InSite
- Funds and affiliates managed by Apollo Global Management in an investment of
$11 billion to acquire from Intel Corporation a 49% equity interest in a joint venture entity related to Intel’s Fab 34 - Atlantic Aviation in its acquisition of three fixed-base operations at Omaha, Nebraska; Raleigh-Durham, North Carolina; and
Hartford, Connecticut - Blackstone Infrastructure Partners in its acquisition of a minority interest in NIPSCO
- Canada Pension Plan Investment Board in its approximately $843 million (C$1.2 billion) investment in Tallgrass Energy
- DigitalBridge in its:
- acquisition of Landmark Dividend
- acquisition of Fibernow (f/k/a OpticalTel)
- KKR & Co. in its:
- $3.37 billion acquisition of a non-controlling, 20% interest in Sempra Infrastructure Partners
- acquisition of the fiber optic infrastructure business from Entel, alongside Telefónica-backed ON*NET Fibra
- acquisition of a majority stake in Boasso Global
- acquisition of a 20% stake in Sempra Infrastructure Partners
- acquisition of a majority stake in Telefónica Chile’s existing fiber optic network to establish Chile’s first open access wholesale fiber optics company
- agreement with Telefónica Hispanoamérica and Entel Perú to acquire a majority interest in PangeaCo and the existing fiber optic networks of Telefónica del Perú and Entel Perú to build Perú’s first nationwide open access wholesale fiber optics company
- Wren House in its acquisition of an equity stake in Seacube Container Leasing Ltd., a global shipping container business, from OTPPB
M&A
- Air Liquide in its $13.4 billion acquisition of Airgas and its divestiture of U.S. assets to Matheson Tri-Gas, a subsidiary of Taiyo Nippon Sanso Corporation
- Angelo Gordon in its sale to TPG
- BlackRock Long Term Capital in its:
- acquisition of a majority stake in Summit Companies, as well as the subsequent acquisition by Summit Companies of Protegis Fire & Safety
- acquisition of Transaction Data Systems from GTCR
- Endurance International Group, a portfolio company of Warburg Pincus, in its acquisitions of Constant Contact
- General Atlantic in its:
- acquisition of Actis, a leading global investor in sustainable infrastructure with approximately $12.5 billion in AUM
- investment in Plusgrade, a global leader powering ancillary revenue solutions for the travel industry
- A multinational technology company in its $1.1 billion agreement with a computer manufacturing corporation
- OpenText in its $1.62 billion acquisition of Dell EMC’s Enterprise Content Division
- Simon Property Group in its acquisition of an 80% ownership interest in The Taubman Realty Group Limited Partnership, the operating partnership of Taubman Centers
- Transform Holdco and ESL Investments in Transform Holdco’s acquisition of Sears Hometown and Outlet Stores
- Warburg Pincus in numerous matters including its acquisitions of Gabriel Brothers and Duravant
- Westlake Chemical in its acquisition of NAKAN