Our Team

The international scope of ACGF's work, combined with deep local expertise, directly translates into the organization’s commitment to professionalism and diversity.

ACGF’s staff come from an array of nationalities and backgrounds. In our diversity, we remain committed to the shared values of professionalism, diligence, openness and continuous learning. Commitment to these values encourages ACGF’s team to grow both professionally and personally.

Management Board &

Department Heads

Bernd Leidner


Dirk Josef Thiesen


Daniel Jobmann

Head of Finance & Controlling

Ioana Bejan

Head of Transaction Management  

Detulio Ailton Gonçalves Fumo

Guarantee Business Sales Manager (External)

Carmen Michaelis

Head of Technical Assistance

Stefano De Cristofaro

Head of Risk Management

Ursula Geertzen

Head of Human Resources

Francisco Urdaneta

Head of Monitoring, Evaluation & Data Quality 

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