August Capital | 3,208 followers on LinkedIn. August Capital was founded in 1995 by Dave Marquardt and John Johnston. Seasoned veterans of the venture capital industry, Marquardt and Johnston formed August Capital to invest in companies differentiated by technical innovation and entrepreneurial excellence. Today, August Capital's six partners -- Marquardt, Johnston, Andy Rappaport, David Hornik, Vivek Mehra and Howard Hartenbaum -- have more than a century of combined venture and operational experience.