Committed to You

Our experienced team is here to serve you


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We are action oriented and creative.  We like process and identifying defined outcomes and meaningful deliverables.  Challenges energize us, we are tenacious and fierce for the task but warm and friendly, valuing people above all else.


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Founder- Managing Director

John L. Langston, CM&AA, CAIA

-Founder, Managing Director-

John L. Langston, CM&AA, CAIA is the Founder and Managing Director of Republic Capital Group.  Mr. Langston previously served as Managing Director of Partner Solutions at Avalon Advisors, an RIA then overseeing approximately $6 billion dollars in assets and a portfolio company of global private equity firm The Carlyle Group. Mr. Langston previously served as a Director for Salient Partners, an RIA overseeing approximately $16 billion dollars in assets and a portfolio company of global private equity firm Summit Partners at that time.  Mr. Langston was also a Director of Global Platform Distribution for SkyBridge Capital.  Over his 17-year financial services career, Mr. Langston has utilized his experience and training as a Certified Merger & Acquisition Advisor (CM&AA) and Chartered Alternative Investment Analyst (CAIA) to advise the nations leading RIA's, asset managers, senior wirehouse executives and financial advisors, large broker dealers and family offices. 

Mr. Langston received his MBA from Rollins College and the Crummer Graduate School of Business. 

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Blake Cargill

- Vice President -

Blake Cargill is a Vice President of Republic Capital Group.  Previous to joining Republic Capital Group, Mr. Cargill was an Investment Banking Analyst with Canaccord Genuity the global capital markets division of Canaccord Genuity Group Inc. offering institutional and corporate clients idea-driven investment banking, advisory, research, sales and trading services from offices in 10 countries worldwide.  Mr. Cargill performed analysis and assisted in the execution of capital markets financing solutions including equity and debt offerings for companies, advised clients on business valuation, negotiation, pricing and structuring of transactions for mergers and acquisitions.  Mr. Cargill also served as a Credit Analyst in the Officer Development Program of Amegy Bank of Texas where he applied finance and accounting skills to assess business and credit risk while working with high-level bank leadership.  

Mr. Cargill graduated from Baylor University with a Bachelor of Business Administration.


Our Broader Platform Through Our Broker Dealer

  • Over 150 years of investment banking experience
  • Nationwide footprint of over 50 Registered Representatives
  • Significant financial services expertise among our executives