JK&B Capital is a Chicago, Illinois–based venture capital firm founded in 1996 that manages over $1.1 billion in cumulative capital and primarily invests in software, information technology, communications, and related healthcare markets. The firm takes a technology-focused, research-driven approach, aiming to identify and fund companies with differentiated, “must-have” technologies across early and later stages of growth. JK&B typically acts as a lead investor and engages actively with portfolio companies by providing strategic, technical, and operational guidance. Its investment strategy spans seed through later rounds and emphasizes deep industry expertise to support technology-driven business development. The firm’s portfolio has included a range of technology companies addressing enterprise software, networking, and communications infrastructure markets.