A fellow of the Jerusalem Institute for Israel Studies (JIIS) since 1995 till present, he was called by Prime Minister Ehud Barak to the 2000 Camp David Summit in an effort to end the Israeli-Palestinian conflict.

Merhav is the 11th and current Chair of the Presidium of the Association of Israelis of Central European Origin,[2][failed verification] and a member of the Board of Directors of the Claims Conference.

[3] In 2009, he was appointed leader of the Israeli delegation to the 2009 Holocaust Era Assets Conference (HEAC), convened in Prague under the auspices of the Czech Republic.

[4] He co-wrote "The Role of the Hashemite Kingdom of Jordan in a Future Permanent Status Settlement in Jerusalem: Legal, Political and Practical Aspects".

This is a non-partisan body of retired IDF, intelligence community and foreign affairs officials, academics and experts, for promotion of regional peace arrangements.