We are creators and entrepreneurs at heart.
Marconi Capital is a team of founders, operators, creative thinkers, and investors with a deep appreciation for what it takes to build great companies.
Our experience
We have a track record of investing in, building and scaling businesses into category leaders. We have been there from the very start of countless business journeys through to the defining moments that shape a company’s trajectory — the high stakes fundraising negotiations, recruiting the right leadership team, and making the hard calls when things don’t go to plan.
We’ve also been there for the breakthroughs — when strategy, execution and talent come together and momentum builds. We have been there through thick and thin — advising, adding value, and growing businesses into high quality, meaningful companies. We understand that value creation today extends far beyond financial engineering — it is about people, positioning, technology, and the ability to move quickly.
Our teams are recognised not only for what they do, but how they think — combining analytical rigour with creativity, curiosity and a willingness to challenge conventional approaches.
We bring strategic insight and operational expertise, working alongside founders and management teams as true partners to create durable, long-term value.
A company is so much more than numbers on a page, which is why we help articulate and amplify the full value of a business - commercial, operational, technological and human — to stakeholders, investors and markets.
About Marconi Capital
In 2026, we re-launched Marconi Capital as an independent sponsor. Our approach is straightforward: we partner with founders, management teams and investors to build category leaders.
We create value in several ways. We may build a platform through a buy-and-build approach — consolidating fragmented markets around a clear investment thesis and value-creation plan. We also back innovative founders and management teams using technology, automation or AI to reshape established sectors. And where a business has exceptional potential, we help it scale into a global player by combining capital with our network and resources.
Across every investment, we bring a deep bench of expertise spanning TMT, healthcare, banking and buy-and-build — with direct experience building, advising and transforming businesses at scale. Our team has scaled and built high-growth buy-and-build platforms from inception, worked within leading financial institutions and held senior roles within some of the world’s most influential organisations.
The Team
Junko Sheehan
Managing Partner & Founder
25+ years in buy-and-build, advisory, and investment banking. Founder & Former CEO. Board Director. Led multiple platforms.Buy & Build // M&A // Finance // PE // Healthcare // TMT // ConsumerMaria Wilhelm
Senior Advisor
30+ years in strategy, corporate development and transactions. Co-Chair, Cameron Group, Co-Chair, Light Storm Entertainment, Light Storm AI.M&A // Finance // Media // TechTyler Tarr
Operating Partner
35+ years in finance and CFO roles. Fractional CFO to several PE PortCos. Advisor to several family offices.M&A // Finance // Healthcare // TMT
Confidential
Operating Partner
15+ years driving value creation and operational excellence across PE PortCos. Former CSO at a global film manufacturer.PE // Sector Agnostic // Buy & BuildClaus Buch-Anderson
Capital Advisor
25+ years in sales and trading. Currently advising a SWF on Nordic capital formation strategy. Formerly BNP Head of Nordic Equity Sales.Finance // Sector agnostic
Confidential
Healthcare Advisor
25+ years experience in healthcare consulting and advisory. Currently global head of healthcare for a large consulting firm.Consulting // Healthcare
Confidential
Senior Consultant
20+ years in investment banking and corporate development. Formerly MD in Morgan Stanley TMT, Head of Corporate Development at Nokia.M&A // Finance // TNT
Confidential
Investment Partner
25+ years experience in PE. Formerly Partner in a Portuguese PE firm with expertise in Buy & Build investing.PE // Healthcare // Consumer // Education
Confidential
AI/Tech Advisor
20+ years in technology and high-growth AI environments.C-level exec at a Frontier Physical AI Lab. Previously at Google DeepMind.AI // Technology