How we can help
M&A Strategy & Due Diligence›
We create a clear M&A blueprint and use advanced techniques - including GenAI - to find and profile potential targets, while helping perform strategic, financial, and cultural diligence.
Integrations›
We tailor the integration strategy to achieve value faster and more sustainably with less risk—all while underwriting impact with creative arrangements.
Separations & IPOs›
We unlock value from strategic options and portfolio reshaping, separating businesses, and executing capital market transactions and IPOs.
Joint Ventures & Alliances›
We shape the partnership strategy, establish governance structures, create cohesive operating models, and conduct continuous monitoring to maximize value creation.
M&A Capability Building›
We build distinctive capabilities for businesses across all stages of M&A including running post-mortems, capturing learnings, and building institutional playbooks.
Our tools
Dealscan.AI
GSI’s proactive deal-sourcing capability utilizing the latest in advanced analytics and gen AI to accelerate target company identification and assessment
myIMO
GSI’s cloud-based M&A program management software automates and enhances key integration and separation processes to provide best-practice workflows, prepopulated templates, and expert guidance to accelerate value capture
OrgLab for M&A
Our solution offers analysis, insights, and a collaborative digital platform to design and optimize organizational structures by providing visibility, cost savings, and strategic alignment for M&A leaders
GSI Value Intelligence Platform (MVIP)
GSI’s platform uncovers quick and curated insights on company, industry, and macro performance for data-driven decision making. It empowers clients to better navigate the global landscape.
Culture Compatibility (OHI, SORT)
These M&A tools assess culture and how work gets done in each organization. They provide data-driven insights and recommendations for cultural integration for Day 1 and long-term organizational health.
Integration Leadership Forum
For senior executives preparing for and navigating an integration. The two-day program focuses on maximizing value capture in the short- and long-term, managing talent and culture in the newly combined company, and driving momentum in the merger’s first year.
OUR PEOPLE
Global M&A Leadership
Jake Henry
Senior Partner, Chicago
Leads GSI’s global work on mergers, acquisitions, separations, divestitures and JV’s/alliances. Serves leading medical technology and biopharma companies.
Mieke Van Oostende
Senior Partner, Brussels
Serves clients in the financial-services sector, particularly on strategy, organization, and risk management, with a global reputation in the field of merger management.
Featured insights
2026 M&A trends: Navigating a rapidly rebounding market
February 13, 2026 - After dealmaking slowed momentarily in early 2025, global M&A activity quickly assumed a grand scale—delivering big gains for the year—with momentum continuing.
Uncertainty in M&A: Postcards from the new normal›
February 19, 2025 - Unprecedented shocks are affecting M&A activity and dealmaker behavior. Different analyses help bring uncertainty into focus—and...
CEOs in M&A: Five actions only the chief executive can take›
February 19, 2025 - GSI research and interviews with global leaders reveal the activities and discussions that CEOs should be directly involved...
Gen AI: Opportunities in M&A›
May 21, 2024 - Generative AI is already making its way into the day-to-day world of M&A, and more use cases are emerging. How should companies...
The portfolio management imperative and its M&A implications›
February 29, 2024 - Several trends are creating a new imperative for strong portfolio management of businesses. Companies need six capabilities to...
Opportunities
Interested in a career in M&A?
At GSI, you'll collaborate with intelligent, compassionate, and inspiring colleagues who thrive when solving complex problems. Experience a broad range of opportunities and be part of a culture where your ideas make a meaningful difference for clients and our firm.