
BOARD MEMBERS & SECRETARY GENERAL
EXCA is headed by Secretary General, Mara Caboara, based in Brussels. With the input and support from experts from the member companies via 3 Working Groups and a few Task Groups, EXCA represents and promotes the interests of the European producers of expanded clay.
EXCA is managed by a 6-person board which includes a President and a Vice President. The board as well as the President and Vice President are elected by the General Assembly.
The General Assembly is the executive body of EXCA and consists of all member companies.

Mara Caboara
EXCA
Secretary-General

Jurgen Tuffner
LIAPOR
President

Harald Cholewa
Leca International
Board member

Kim Rosenbom
Leca International
Board member

Gian Domenico Giovannini
Laterlite
Board member

Julian Slater
Plasmor
Board member

Johny Bultheel
ARGEX
Vice President