John Andrew Tumambing

Operations Manager with 10+ years of BPO leadership across social media CX, sales, and analytics. Proven success in scaling teams to 150+, exceeding revenue targets by 400%, and driving innovation through award-winning data tools. Expert in client relationship management, SLA/KPI governance, and cross-functional collaboration. Adept at leading high impact programs for global brands using Sprinklr, Tableau, SQL, and Power BI.

With over 14 years of leadership in BPO and tech-adjacent environments, I’ve scaled multi-channel teams to 150+ FTEs, launched high-impact campaigns, and consistently exceeded revenue targets—up to 400% above goal. I specialize in strategic operations, advanced analytics, and client success, having built award-winning reporting tools and automated workflows using Tableau, Power BI, SQL, and Sprinklr. My experience spans global firms like VXI, Majorel, and IGT Solutions, where I led hiring, training, and performance optimization across customer support, travel, and sales verticals. I’m known for empowering frontline voices, translating ground-level insights into scalable wins, and delivering executive polish with authentic leadership.

I hold a Bachelor’s degree in Information Technology from Informatics International School (2010) and have continued to sharpen my expertise through industry-recognized certifications, including the Google Data Analytics Professional Certificate and Lean Six Sigma Yellow Belt. These credentials complement my hands-on leadership by grounding my strategic decisions in data-driven methodologies, process optimization, and scalable systems thinking.