ABOUT
Founder, Tallac Advisory
Reena Tiwari is a Fortune 500 CIO and enterprise technology executive with a track record of turning technology into growth engines. She has served as CIO at multiple high-growth and publicly traded companies — leading large-scale technology organizations, driving IPO readiness, and delivering measurable outcomes across AI transformation, digital modernization, and operational efficiency.
Named CIO of the Year by HMG Strategy and recognized as a Top 50 Technology Professional, Reena founded Tallac Advisory to bring senior, experienced technology leadership to organizations navigating critical inflection points.
EXPERIENCE
Delivered enterprise-wide AI programs achieving 70% customer service containment, 8% revenue uplift, and 15% developer productivity improvement. Built GenAI solutions, digital assistants, and recommendation engines at scale.
Led technology integration across eight acquisitions and divestitures spanning four companies — from pre-deal due diligence through full platform consolidation. Experience includes both acquisitions and the more complex discipline of clean divestiture separation.
Served as technology lead for two IPO readiness programs, reporting directly to co-founders and audit committees. Translated cybersecurity, compliance, and IT governance into board-ready language and quarterly risk reporting.
Consolidated multiple duplicative technologies into a unified platform. Migrated 100 plus applications from data centers to SaaS. Delivered 11% cost reduction and 75% incident reduction through architectural simplification.
RECOGNITION & ADVISORY
