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Roy Johnston

Principal, Orange River Advisors

  • +18324774904


Principal, Orange River Advisors, LLC, a business advisory firm providing financial consulting, investment banking, and deal advisory services to growth companies. JD/MBA.


Orange River Advisors

Nov 2014Present

Founder and Principal

We help organizations achieve their most important goals

  • Our principal clients are privately-held growth companies and PE/VC-backed companies
  • Our services include strategic planning, financial analysis, market entry, project management, contract negotiation

Waste Management, Inc.

Aug 2010Oct 2014

Director, Associate, and Senior Analyst in WM's corporate venture capital team

WM, a Fortune 200 company, is the largest waste and environmental services provider in the US

  • As part of WM's corporate venture capital team, I managed a portfolio of investments in the waste conversion, recycling, and logistics sectors
  • My representative experience includes: screening investment opportunities; valuing target businesses; investigating new technologies and busienss models; negotiating and structuring investments; developing and executing growth plans for portfolio entities

Makalani Holdings Ltd.

May 2006Jul 2007


Makalani Holdings is a $350 million public investment fund in Sandton, South Africa

  • As internal counsel, I oversaw the fund's legal process through deal structuring, due diligence, approval, and execution
  • In my year with the team, we negotiated and executed nine investments, together worth $177 million

Bowman Gilfillan, Inc.

Jan 2001May 2006

Senior Associate, Associate, and Trainee Attorney

Bowman Gilfillan is a premier South African law firm with 300+ attorneys in eight offices in South Africa and six other African countries

  • At Bowmans, I practiced law with the firm's corporate, banking, finance, and dispute resolution teams
  • My representative experience includes: a private equity firm's $300 million purchase of a mining business; the $420 million underwriting of a new light rail system; the $370 million sale of a hospital group; capital raisings; restructurings; listings; syndicated loans; and general corporate legal work


Master of Business Administration

  • Jones Citizen Award for service to the Rice community
  • Jones Scholar Award for graduating in the top 10 
  • Elected by Rice MBA class to M.A. Wright Award for Leadership and Exemplary Service
  • Lorane T. Phillips Award for Excellence in Writing
  • Jones School Merit Scholarship
  • GPA 4.02/4.0

Bachelor of Laws, Bachelor of Commerce

  • Chairman, Law Students’ Council, 1998-1999
  • Officer, Students’ Representative Council, 1998-1999
  • Officer, Law Students’ Council, 1997-1998
  • Rhodes Scholarship national finalist, South Africa, 2001
  • Abe Bailey Travel Scholarship, 2000
  • Graduated with distinction (top 3% of class)

Board experience

  • Board member, GTL Joint Venture, LLC, 2014
  • Chairman, General Board, First Christian Church, Houston, 2012-2014
  • Board member, Paradigm Shift, a non-profit serving South Africa’s entrepreneurial poor, 2012-present
  • Board member, Qualanex LLC, a WM portfolio company, 2011-2014


State Bar of Texas



High Court of South Africa