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Jack Donenfeld

Jack Donenfeld


Jack A. Donenfeld and his law firm, Donenfeld Law, serves entrepreneurs and start-up businesses, closely-held companies, venture capital and private equity groups, investors and securities broker-dealers. He helps manage several seed/angel investment funds and is a co-founder and partner in the Boomtown Startup Accelerator in Boulder, for which he is General Counsel. He also serves as a mentor for several accelerators and incubators in Colorado and Arizona. 

Mr. Donenfeld’s work includes capital raising and securities law, corporate and transaction-oriented business law, real estate and wealth preservation planning.  He serves as an expert witness on securities law issues in litigation nationally. Martindale-Hubbell® Lexis-Nexis® has awarded Mr. Donenfeld and his firm the highest and most prestigious rating attainable by lawyers for professional expertise and legal ethics.  He also has been selected for listing in The Bar Register of Preeminent Lawyers™ for his work in securities law.

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