The future is shaped here

Join our team

In a time of unprecedented pace of change, GLG continues to be the preferred insights partner for the world’s most innovative companies

At GLG, we act as an extension of our clients' core teams. We don't just provide data; we facilitate the human connections that unlock nuanced understanding and strategic foresight. We are innovating to accelerate the time to insight and gather scale—without sacrificing the nuance or compliance that defines our work. Let’s build the future, together.

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GLG Leadership

Gemma Postlethwaite
Chief Executive Officer
Vanna Krantz
Chief Financial Officer
Mary Burke
Chief Commercial Officer
Moe Ali
Chief of Asia-Pacific
Cameron Foster
Chief Strategy Officer
Lee Gavin
Chief Human Resource Officer
Fell Gray
Chief Marketing Officer
John Londono
Chief Product Officer
Laurence Herman
General Counsel

Board of directors

Roger C. Freeman (Chair)
Thomas D. Lehrman (Co-Founder)
Thomas P. Salice
Mark Gerson (Co-Founder)
Edward Nicoll
Ahmad A. Sheikh
John Goldsmith
Gemma Postlethwaite (CEO)

Build your career at GLG

For smart, curious people who believe in the power of insight and fresh perspectives, GLG is a meaningful place to work. Play a role in shaping the future of business insights and partner with innovators worldwide.

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Caroline Ashmore
SVP Member Operations
Joined GLG in 2010

I joined GLG as an intern 16 years ago and returned full-time to work directly with our experts, some of the smartest, most accomplished people on earth.

Working with experts across industries has deeply shaped my perspective on the value of continuous learning. Just as vital is my team; I work alongside motivated colleagues who truly care about winning together.

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Bradley Balandis
SVP, Private Equity
Joined GLG in 2014

I’ve had the opportunity to work across five global offices over the past 12 years, and it’s been an incredibly rewarding journey. I started as an Associate and now help lead our global private equity business. Early on, I built a strong foundation in client delivery, problem-solving, and clear communication – skills that continue to shape how I work today. GLG is a fantastic place to start your career, offering exposure to a wide range of industries and clients that can open many doors.

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Cliodhna Burke
Head of Global Strategic Accounts
Joined GLG in 2015

Since joining as an intern over a decade ago, I’ve taken on new roles, bigger teams and broader responsibilities. Over the years, I’ve had the opportunity to develop deep client partnership skills, commercial acumen, and the ability to lead and scale high‑performing global teams. The most rewarding part of my journey has been seeing how much impact you can have, helping client solve complex problems while investing in the growth and success of others. What makes GLG unique is its fast pace, commitment to excellence, and a culture of collaboration that empowers people at every level to learn and build their careers.

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Siobhan Hogan
Chief of Staff to CEO
Joined GLG in 2006

I joined GLG 20 years ago right out of college and have stayed for the unparalleled opportunities to grow both professionally and personally. My journey has taken me from NYC to Dublin to open a brand-new office, to Austin to build departments, and ultimately back to NYC as part of the executive team. From early in my career, I was empowered to raise my hand, build something new, and have a seat at the table. Today, the most rewarding part of my role is watching the professionals I’ve hired succeed and emerge as the next generation of leaders within GLG.

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Sara Hyten
Product Director
Joined GLG in 2014

In over twelve years at GLG, I have been continuously challenged. Whether helping a client make a critical decision, mentoring early-career talent, or building products that drive the business, I’m always developing my strategic thinking and leadership. GLG gives me true agency and surrounds me with ambitious, collaborative colleagues who are deeply invested in doing great work together.

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Kio Zargarinejad
SVP, Consulting Firms
Joined GLG in 2015

GLG is a fast-paced, innovation-driven environment which creates opportunities to test ideas and take ownership with a level of responsibility that is hard to find elsewhere. My own journey reflects this breadth of opportunity; I’ve moved from client-facing roles into strategy and operations, and today I lead a global division within the consulting space. While the internal mobility is a huge draw, it is the quality of my colleagues and our collaborative culture that have truly kept me here.

Worldwide reach

Our offices in the Americas, Europe, India, the Middle East, and Asia-Pacific service our global clients and an ever-expanding network of experts.

Join us

Build a career at the center of the world's knowledge economy. Discover opportunities across our global offices.

See open positions