Stefan Portmann

Stefan Portmann serves as Head of Technology | CTO at responsAbility Investments AG. responsAbility Investments AG operates in the investment management sector with approximately 300.0 employees. The company is headquartered in Zuerich, Zurich. responsAbility Investments AG generates annual revenue of 24300000.0. To date, responsAbility Investments AG has raised 1004000000.0 in total funding, with the most recent round being Other.

Industry & Role Insights

• • MessageCEO tracks 1,661 executives in the investment management sector.
• • We have verified contacts for 3 executives at responsAbility Investments AG.
• • 1,552 executive contacts are available in Zurich.
• • Our database includes 201,469 c suite-level executives.

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SB

Stephanie Bilo Chief Client & Investment Solutions Officer, Member of Executive Management at responsAbility Investments AG

RM

Rochus Mommartz CEO at responsAbility Investments AG

EK

Ernestas Kazbaras Chief Executive Officer, Partner at 1 Asset Management

FB

Francois Barbier Managing Partner & CEO at 21 Invest

GP

Giuseppe Prestia Chief Executive Officer at 21 Invest

Outreach Guidance — investment management Sector

Executives like Stefan Portmann in the investment management sector receive targeted outreach from sales teams, recruiters, and investors. To stand out, personalize your message with industry-specific context and a clear, specific value proposition relevant to their role at responsAbility Investments AG.

Stefan Portmann's Position in the MessageCEO Database

• •Stefan Portmann is 1 of 3 verified executive contacts we track at responsAbility Investments AG.
• •1,640 verified executive contacts in investment management are in the MessageCEO database.
• •1,533 verified executive contacts in Zurich are in the database.
• •6 verified contacts work at investment management companies in the 300.0 employee range (same size as responsAbility Investments AG).

Executive contact data compiled from public business filings, LinkedIn public profiles, company press materials, and verified outbound email testing. We do not publish personal addresses or sensitive identifiers. Methodology & sources · Removal requests handled at /remove-info · Updated June 2026.

How do I reach Stefan Portmann directly?

Stefan Portmann's verified email address is available to MessageCEO Pro subscribers. They currently serve as Head of Technology | CTO at responsAbility Investments AG. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Stefan Portmann work for?

Stefan Portmann is Head of Technology | CTO at responsAbility Investments AG, a company in the investment management sector with 300.0 employees. The company is based in Zuerich, Zurich.

Can I pitch or sell to Stefan Portmann?

As Head of Technology | CTO at responsAbility Investments AG, Stefan Portmann is a key decision-maker in the investment management sector. MessageCEO Pro gives you verified email to reach Stefan Portmann directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Stefan Portmann in?

Stefan Portmann works in the investment management industry as Head of Technology | CTO at responsAbility Investments AG. MessageCEO provides verified contact information for executives across all major industries.

Is Stefan Portmann's contact information verified?

Yes. MessageCEO verifies executive contact information through multiple data sources and regular validation checks. Stefan Portmann's profile is kept up-to-date with the latest available information.

Last updated: June 27, 2026