Kritzmacher was CFO at Lucent Technologies and Global Crossing.
Fox was recruited from Nokia, where he was senior director for business planning and operations.
DeCourcy is replacing Dale Reid, who has retired. DeCourcy was senior director for strategic projects and business integration.
Cheung was chief compliance officer for Asia-Pacific at Velti.
Mitchell was CEO of Flex Energy and has been CFO of T-3 Energy Services.
Gallagher has been serving as treasurer. He joined parent UGI in 1990.