 HOUSTON--BUSINESS WIRE--PROS NYSE: PRO, a provider of AI-powered solutions that optimize selling in the digital economy, today announced that Katrina Klier has joined the company as Chief Marketing Officer, reporting directly to Les Rechan, PROS Chief Operating Officer. Klier will be responsible for aligning global marketing strategy and programs with corporate priorities. Central to her mandate will be optimizing demand generation, deepening customer and prospect engagement and amplifying 