Interim Sales Manager

Enabling growth through clarity and collaboration.

Leading Sales. Enabling Change. Delivering Growth.

Are you looking for an experienced Interim Sales Manager who can support your sales organisation through demanding transformation phases and complex growth initiatives?

Do you need temporary leadership for key accounts, international market development, or efforts to strengthen your commercial structures?

As an Interim Sales & Commercial Lead, I support sales organisations during transition and growth phases — combining strategic clarity with structured execution and a cooperative leadership approach.

My focus: strengthening sales performance, building commercial resilience, and enabling sustainable results.

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About Me

My name is Matthaeus Kowalski. I work as an Interim Sales Manager, building on more than 15 years of international experience in corporate sales, key account management, and commercial development. Over the past years, I have supported organisations in interim and project-based roles during phases of change, realignment, and growth.

My background includes leading international teams and driving complex commercial initiatives in B2B and technology-driven environments. I value collaboration, clarity, and cultural awareness — helping teams align around shared objectives and sustainable ways of working.

How I Create Value

Interim Leadership

Taking responsibility in challenging phases — from global sales initiatives to cross-regional coordination.
Providing structure, direction, and measurable outcomes.

Strategic & Commercial Advisory

Supporting the development of growth strategies: entering new markets, winning key projects, and building strong customer relationships.
Balancing short-term performance with long-term growth.

Mentoring & Leadership Development

Supporting sales professionals and emerging leaders through focused coaching in communication, structured customer engagement, and deal closing.
Guiding international and cross-functional teams to align on goals, strengthen collaboration, and build lasting performance.

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