Oscar Jager brings over three decades of experience in the IT and telecom industry, holding diverse consulting and management roles in multinational corporations and startups alike. His career began at Siemens AG, where he spent 12 years in various positions across Germany, Belgium, the Netherlands, and the Philippines, including Consultant, Sales Manager, Corporate Auditor, and IT Director.

Following his tenure at Siemens, Oscar joined the executive management board of Clariteam SA in London, overseeing development and customer services for the Paris-based service level management solutions provider. He later managed IT operations for Tenovis (later acquired by Avaya) across Germany and Europe.

In 2006, Oscar founded ThinkTank Management Consulting and has since been at the helm, driving the company’s success and establishing its reputation for excellence.

For over a decade, Oscar has specialized in consulting for the high-tech and IT industries, offering expertise in human resource management, business analysis, process optimization, strategic development, and business operations. His work spans Europe and East Africa, where he has successfully led projects and initiatives that deliver measurable results.

Oscar has developed and championed ThinkTank’s unique consulting approach—Fact-Based Brainstorming—encouraging creative thinking while clearly distinguishing between facts and fiction. This methodology ensures grounded, actionable solutions that align with clients’ goals.

Oscar holds a BSc in Electronic Engineering and an MBA, further cementing his expertise and leadership in the field.

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