COLUMBIA, Md.--(BUSINESS WIRE)--Merkle (www.merkleinc.com), a leading technology-enabled, data-driven performance marketing agency, announced that Angelina Eng will join the Interactive Advertising Bureau (IAB)’s Certification Commission. The IAB Certification program, managed by the Certification Commission, establishes and measures the baseline digital industry knowledge required for digital advertising professionals. Eng is Vice President of Platform Solutions and Activation for Merkle, resp