Payments Infrastructure and Merchant Acquiring
Covers payment processing, merchant acquiring, and payments infrastructure: ISOs, PayFacs, payment gateways, card networks, payment orchestration, embedded finance, and B2B/cross-border rails, along with the M&A and capital that drives platform consolidation and roll-ups in the sector.
“payments infrastructure and merchant acquiring, and the investors behind payment platform transactions”
That sentence was the entire instruction. Everything on this page was researched from it and then verified against public sources: 21 experts kept, 0 dropped in verification.
Experts
Grouped by archetype · searchableFounder / Operator
4Philip Fayer
Chair and Chief Executive Officer
Nuvei
Founder-CEO who took his own payments company private in a $6.3B deal and is now executing a $2.75B cross-border acquisition — deep operator view on payments consolidation economics.
Patrick Collison
CEO and Co-founder
Stripe
Runs one of the largest private payments platforms globally and is actively shaping the merchant-acquiring roadmap around stablecoins and agentic commerce.
Aman Narang
CEO and Co-founder
Toast
Founder-CEO of a public $20B+ restaurant payments/POS platform, giving him unmatched insight into vertical SaaS payments economics, SMB merchant acquiring, and embedded fintech competitive dynamics.
Paulette Rowe
Chief Executive Officer
Stax Payments
As Stax CEO she's driven two payments-infrastructure acquisitions in 14 months, making her a sharp read on embedded-payments M&A, vertical SaaS economics, and processor consolidation.
Strategic Advisor
4Mike Passilla
CEO and Strategic Advisor
Posillipo Ventures / Optimized Payments
Former CEO of Elavon and Chase Merchant Services who now sits on Priority Technology and Cantaloupe boards, giving rare cross-vertical merchant acquiring diligence insight.
Sameer Govil
Strategic Advisor
Optimized Payments / Infinicept
25-year Visa SVP turned McKinsey adviser and multi-board fintech operator whose merchant-acquiring and network-economics expertise can pressure-test any payments thesis.
Paresh Patel
Founder and CEO
PayRange
Two-time vending-payments founder now consolidating the category via PayRange's 2025 KioSoft acquisition — a firsthand view of unattended-retail payments M&A.
Jared Isaacman
Founder and CEO
Shift4 Payments
Founder who scaled Shift4 from a teenage side hustle to a public payments leader, but he is now a sitting NASA Administrator with no active Shift4 role.
Investment Banker
4Kartik Sudeep
Managing Director, FinTech Payments Coverage
Houlihan Lokey
He leads payments coverage at Houlihan Lokey's FinTech Group, giving him a live read on sponsor appetite and deal structuring across merchant acquiring M&A.
Georgi Balinov
Global Co-Head of FinTech Investment Banking
Morgan Stanley
As Morgan Stanley's global fintech IB co-head, Balinov controls deal flow and buyer relationships across payments and financial software M&A.
Lloyd Sindorf
Managing Director, Financial Technology Investment Banking
Moelis & Company
A fintech/payments-focused Moelis MD whose coverage spans capital markets tech and payments — a well-placed relationship banker for sourcing and market intel in merchant acquiring.
Rob Freiman
Managing Director, Head of Payments Investment Banking
Piper Sandler
As Piper Sandler's lead payments/fintech banker with a $1B Netspend carve-out and multiple insurtech/fintech exits on his sheet, he's a first call for payments M&A mandates.
Legal / Service Provider
5Jess Cheng
Partner, Banking, Payments and Fintech
Sidley Austin LLP
Ex-Federal Reserve payments regulator turned Sidley partner who just advised Western Union and Circle on live stablecoin launches — a rare regulator-plus-practitioner read on payments infrastructure deals.
David Monteiro
Partner, Banking, Payments and Fintech
Sidley Austin LLP
A former FTC enforcer turned top bank/fintech regulatory counsel, he can give a deal team a fast, credible read on CFPB, OCC, and state debanking exposure in a payments target.
Sean Ruff
Partner, Financial Services and FinTech
Taft Stettinius & Hollister LLP
Regulatory lawyer with rare payments-industry-side experience (ex-Square/Block in-house counsel) who structures merchant acquiring, payment facilitation, and money transmitter licensing deals — a go-to diligence resource.
Richard B. Levin
Partner and Chair of FinTech Practice
Taft Stettinius & Hollister LLP
A Chambers-ranked fintech/payments regulatory lawyer who has built and led three top-tier fintech practices, giving him a rare cross-firm view of the payments and digital-asset regulatory landscape.
Bobby Wenner
Partner, FinTech Practice
Taft Stettinius & Hollister LLP
Ex-CLO of a FINRA-member digital-asset broker-dealer turned Taft fintech partner — a rare operator-plus-counsel read on payments and digital-asset licensing risk.
Peer Fund / Dealmaker
4Micky Malka
Founder & Managing Partner
Ribbit Capital
Founding backer and board member across Coinbase, Nubank, Robinhood and Brex — unmatched pattern-recognition on payments and merchant-acquiring economics from seed through exit.
Nick Shalek
General Partner
Ribbit Capital
A founding-era Ribbit GP with active board seats across insurtech and payments-adjacent fintech, giving him early visibility into deal flow and pricing dynamics deal teams can't easily get elsewhere.
Nigel Morris
Co-founder & Managing Partner
QED Investors
Capital One co-founder turned fintech super-investor whose QED portfolio (Nubank, Klarna, SoFi) gives unmatched pattern-recognition on payments and underwriting economics.
Frank Rotman
Co-founder & Partner Emeritus
QED Investors
A Capital One veteran turned fintech kingmaker at QED, Rotman has underwritten the credit-and-payments infrastructure playbook behind Credit Karma, GreenSky, and Flywire.
Companies
Ranked by edge depthMorgan Stanley
Global investment bank with a long-tenured Power, Utilities & Renewables franchise; recently rebuilding after Todd Giardinelli's departure to BofA.
Stripe Inc.
Global financial services and payments technology company providing APIs and infrastructure for payment processing, banking services, and financial products for online and mobile commerce.
Barclays
Global investment banking and financial services group providing M&A advisory, investment banking, and capital markets services; recognized healthcare M&A team among top 6 banks globally by deal value.
Morgan Lewis & Bockius LLP
International law firm founded in 1873 with 33 offices globally, providing strategic counsel in M&A, private equity, and life sciences transactions. Represents approximately 90% of Fortune 100 companies.
Polsinelli PC
Am Law 100 firm founded in 1972 with 22+ offices nationwide, recognized as a national leader in healthcare law and life sciences. Provides comprehensive corporate, transactional, and regulatory services.
Houlihan Lokey
Global investment bank ranked #1 for M&A advisory, restructuring, and fairness opinions with 30+ offices worldwide and dedicated healthcare group covering behavioral health subsector.
Moelis & Company
Global investment bank providing M&A advisory, capital structure, capital markets, and strategic financial advisory services to corporations and financial sponsors.
SVB Securities
Technology and healthcare investment banking firm providing M&A advisory, capital markets, and financing solutions; now rebranded as Leerink Partners (2023).
Bessemer Venture Partners
Leading venture capital firm with $20B AUM investing across early-stage to growth companies in enterprise, fintech, consumer, healthcare, and deep tech globally.
Coalition, Inc.
Active cyber insurance and digital risk management platform combining comprehensive coverage with proactive security monitoring and threat intelligence for businesses.
Endeca (Oracle)
Enterprise search, customer experience management, and business intelligence platform acquired by Oracle in 2011 for $1.075B; now part of Oracle's enterprise suite.
Jefferies
Leading pure-play investment banking and capital markets firm providing M&A, capital markets, and strategic advisory across 40+ global offices.
Root, Inc.
Digital-first auto and renters insurance company using mobile-based driving behavior assessment to deliver risk-based pricing and underwriting in 36+ states.
SEDA Experts
Elite expert witness and financial advisory firm providing valuations, analytics, and expert testimony to law firms and financial institutions on securities, M&A, and fintech matters.
Settle
B2B payments and cash flow management platform enabling e-commerce and CPG brands to optimize vendor payments, manage working capital, and streamline accounts payable.
Toast, Inc.
Cloud-based restaurant POS and payment processing platform providing integrated payment solutions, mobile ordering, and comprehensive business management tools.