Global Infrastructure Solutions, a family of companies serving the built and social environments, agreed to acquire Hong Kong and Singapore affiliates from Arcadis, an engineering firm. Financial terms are not disclosed. “Dave Hallam is coming over from Arcadis as Managing Director of the HK D&E business. Upon closing of the Singapore acquisition, Rene Hillig, Managing Director of the Singapore business, and his colleagues will join us from Arcadis. I welcome you all to the growing GISI family," Alex Kwan, GISI Asia CEO.