Cost Synergies in Mergers and Acquisitions is a practical, no-nonsense guide to turning deal logic into real financial results. It cuts through the theory and exposes why most cost synergies fail: vague plans, weak ownership, and poor execution. This book provides a clear, structured approach to identifying, prioritizing, and delivering cost synergies across functions such as workforce, IT, procurement, real estate, and shared services.
Built for CEOs, CFOs, and integration leaders, it offers a repeatable execution framework covering what to cut, when to act, who owns each decision, and how to track results. This is not a conceptual M&A book — it’s a working manual designed to be used before Day One and throughout integration to ensure synergies are real, measurable, and sustained.
Functional Integration in Mergers and Acquisitions by Anirvan Sen is a practical field guide focused on the execution of post-merger integration across all key business functions, including Finance, HR, IT, Sales, Operations, and more. Aimed at CEOs, functional heads, integration leaders, and private equity partners, the book emphasizes that integration success lies in disciplined, function-by-function execution—not just in strategic planning.
Structured around a 7-stage integration model, each chapter provides actionable playbooks with clear scopes, sequencing, risks, and tools tailored to each function. Designed for mid-sized companies but applicable to all deal sizes, the guide helps leaders translate M&A ambition into operational stability and long-term value creation.
Packed with bite-sized insights for business leaders, this volume distills hard-won lessons from real-life strategy, leadership, and growth challenges. Based on the acclaimed PROMISE framework, each microdose delivers a daily dose of clarity, provocation, and strategic perspective for CEOs, founders, and senior executives navigating scale, complexity, and change.
This is not a theory book—it’s a thinking companion for leaders who make real-world decisions under pressure.
Many businesses plateau because they lack a strategic blueprint for scale. PROMISE of a Business introduces a seven-lever framework—People, Rewards, Organization, Management, Innovation, Strategy, and Experience (PROMISE)—that empowers leaders to break through stagnation and unlock performance.
Drawing from work with global giants and fast-scaling SMEs, Anirvan Sen delivers a roadmap for growth through structure, leadership, innovation, and bold strategic execution.
M&A failure is often not about deal mechanics—but about people, culture, and leadership. Based on research across 18 countries and 50+ experts, this report reveals the hidden gaps in change management during post-merger integration.
Essential reading for M&A leaders, this study offers data-backed insights into how to plan and implement people-centric integration strategies that work.
Digital transformation often fails to deliver impact due to lack of ideas, not lack of tools. This hands-on guide helps teams generate over 100 practical, growth-focused digital ideas using the Digital Adoption Framework and structured ideation tools.
Perfect for leadership offsites, strategy sessions, or kick-starting innovation sprints.
A digital strategy is only effective if it fits your business model and growth ambition. This book introduces the 11-element Digital Adoption Framework to help organizations adopt the right digital moves—across UX, marketing, content, operations, data, and infrastructure.
A must-have playbook for founders, strategy heads, and digital leaders seeking clarity and alignment in their digital roadmap.

Anirvan Sen works at the intersection of strategy, leadership, operating models, and M&A. As the Founder and CEO of Fifth Chrome, he has created proprietary frameworks including PROMISE, COMBINE, SCALEUP, ELITE Leadership, and the Buy-and-Build Operating System to help founder-led, mid-market, and institutional-backed companies scale through complexity, particularly in M&A and buy-and-build environments.