Contact

Editorial and general enquiries

Write to info@ggma-app.com. The editor is Dr Günter Grimm.

• info@ggma-app.com

Corrections

If we get something wrong, we correct the article and add a dated note at its end saying what changed. Please report errors to info@ggma-app.com.

• Our corrections policy

Subscriptions and technical support

For billing, access and app problems, write to support@ggma-app.com.

• support@ggma-app.com

Where we are

GGMA — Grimm's Global Macro Aggregator, Zürich, Switzerland.

• linkedin.com/in/guenter-grimm