The recently established GAC Energy and Marine Services LLC (GEMS), a subsidiary of the GAC Shipping (USA) Inc., has appointed Carlos Arrieta as its new President to drive the growth of its integrated logistics services for the oil, gas, marine and mining sectors. Located in the new Central Green development close to Houston International Airport, the GEMS facility provides 65,000 square feet of covered warehousing space and 40,000 square feet of open air storage. Its range of services include: in-house case packing…