Greg Allis | Investment Banking | Stephens

Who We Are

What We Do

We provide investment banking, research, sales and trading, asset and wealth management, public finance, insurance, private capital, and family office services.

About Us

We are a family-owned financial services firm that values client relationships, long-term stability, and supporting the communities where we live and work.

The Stephens Story

The idea of family defines our culture, because each of us knows that our reputation is on the line as if our own name was on the door.


Our reputation as a leading independent financial services firm is built on the stability of our longstanding and highly experienced senior executives.

Impact Initiatives

We are committed to corporate philanthropy; economic and financial literacy advocacy; and diversity, equity, and inclusion initiatives.

Our Brand Ambassadors

Stephens is proud to sponsor the PGA TOUR, LPGA Tour, and PGA TOUR Champions careers, as well as applaud the philanthropic endeavors, of our Brand Ambassadors.

Making Connections

We host many highly informative meetings each year with clients, industry decision makers, and thought leaders across the U.S. and in Europe.

Our People

Greg Allis

Vice President

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Energy & Clean Energy Transition
Greg Allis

Mr. Allis joined Stephens in 2020 as an Associate in the Energy Group based in Dallas. Prior to joining Stephens, Mr. Allis worked at Simmons Energy, now Piper Sandler, where he was focused on the Energy Service and Equipment industry. Prior to his investment banking career, Mr. Allis worked for Accenture Federal Services in the technology consulting division. Mr. Allis received an M.B.A. from the SC Johnson College of Business at Cornell University and a B.S. in Civil and Environmental Engineering from Lafayette College.