LAWYER PROFILE

Benjamin K. Leisinger

Europe 2026

Homburger

Ranked in 2 practice areas

Capital Markets

Switzerland

7 years ranked

Banking & Finance: Regulatory

Switzerland

3 years ranked

Contributions and articles

1 Global Practice Guides

1 In-depth overview

About

Provided by Homburger

Practice Areas

Partner in Homburger’s Financial Market Regulation, Financing and Investment Products as well as Capital Markets teams. Main areas of work are financial regulatory advice (banks, securities houses, fintech, portfolio managers), offerings and listings of financial instruments (including ETPs, regulatory capital and other loss-absorbing instruments as well as equity and equity-linked securities), and financial market regulation including on the provision of financial services and stock exchange regulations.

Career

Qualified in 2008. Joined Homburger in 2006, Partner since 2018.

Professional Memberships

Zurich and Swiss Bar Associations, International Bar Association (officer in the Securities and Capital Markets Committee).

Publications

Numerous publications on financial markets regulation and securities law. Author in Commentaries on the Swiss Federal Intermediated Securities Act (protection of the bona fide purchaser and priorities, 2013), on the Swiss Code of Obligations (bonds, since 2014), the United Nations Convention on Contracts for the International Sale of Goods (fundamental breach, avoidance by the buyer, avoidance by the seller, since 2014), the Swiss Financial Market Infrastructure Act (2017), the Swiss Financial Services Act (2021) and the Swiss Banking Act (2025).

Personal

Born 1980 (Kenia, Nairobi); German citizen. Graduated as lic. iur. in 2003 (magna cum laude) and as Dr. iur. in 2006 (summa cum laude) from the University of Basel, passed the Zurich bar exam in 2008, and received a Masters Degree (LL.M.) from the University of Chicago in 2012.

Key sectors

Financial InvestorsFinancial ServicesBusiness and Professional Services

Chambers Review

Provided by Chambers

Chambers European Guide

Capital Markets - Switzerland

Band 2

Individual Editorial

Benjamin Leisinger has an impressively broad capital markets practice, assisting clients with note placements, bond issuances and accelerated bookbuild transactions.

Learn more about this team View ranking table

Banking & Finance: Regulatory - Switzerland

Band 3

Individual Editorial

Benjamin Leisinger acts for clients on a range of regulatory mandates, often related to cryptocurrency. He also advises financial organisations on regulatory capital matters and branch closures, as well as representing them in US class actions.

View ranking table

Strengths

Provided by Chambers

Benjamin Leisinger understands our business and always advises us very competently.
Capital MarketsChambers European Guide
Benjamin Leisinger is a top shot in the Swiss market. He reacts quickly and is extremely intelligent, very reactive, super fast and responsive.
Capital MarketsChambers European Guide
Benjamin Leisinger provides very competent advice.
Capital MarketsChambers European Guide
Benjamin Leisinger is a highly committed and client-focused lawyer. He is an expert in financial regulations and capital markets.
Capital MarketsChambers European Guide
Benjamin Leisinger does an excellent job in getting us answers quickly and in the most efficient way possible.
Banking & Finance: RegulatoryChambers European Guide
On top of simply answering questions, he also proactively tells us things if we have more regulatory and complex matters.
Banking & Finance: RegulatoryChambers European Guide