Who We Are.

Challenge Group International (CGI) is a Houston-based capital investment and strategic advisory firm committed to helping businesses unlock their full potential. Since our inception, we’ve supported public and private companies across industries with innovative, results-driven guidance to grow, restructure, and scale with confidence.

Our clients range from early-stage ventures to established enterprises, and our tailored solutions are built on decades of industry experience, deep market insight, and a commitment to value creation.

Our Mission and Values.

At Challenge Group International, our mission is simple:

To build value, drive growth, and deliver trusted, expert guidance across every engagement.

We are guided by these core principles:

Integrity

We operate with honesty, discretion, and unwavering ethical standards.

Partnership

We collaborate closely with our clients to understand their vision and needs.

Performance

We focus on practical solutions that create measurable business impact.

Flexibility

Every client and challenge is unique. Our solutions are never one-size-fits-all.

Our Leadership.

Our leadership team brings together decades of experience across investment banking, private equity, real estate, energy, and business development. Our managing partners are hands-on leaders who directly advise clients, drawing on deep expertise in capital markets, legal strategy, operations, and entrepreneurship.

We bring industry-specific insight and tactical precision to every engagement—driving execution from strategic planning through to transaction close.

Andrew J Martin Jr. Black and white photo of a smiling man with short dark hair, wearing a dark shirt and tie, with a blurred background.
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Millicent Martin. Close-up black and white photo of a smiling woman with short hair, wearing a hoodie.

Our Approach.

We take a pragmatic, partner-oriented approach to every engagement.

Whether advising on a capital raise, forming a new board, or guiding a complex real estate transaction, we prioritize clarity, precision, and execution.

Understand Your Business

Every partnership begins with listening. We immerse ourselves in your business model, market dynamics, and growth goals.

Design the Right Strategy

We craft custom strategies grounded in deep financial insight, operational expertise, and industry intelligence.

Execute with Excellence

Our team works closely with you to implement solutions, mitigate risk, and ensure forward momentum—without overcomplicating the process.

We’re more than advisors.

We’re your strategic partner in growth.

Whether you're scaling operations, seeking capital, or entering new markets, we bring the insight and execution to help you get there.