J J Investments vs Martin J Gross compared for founders deciding who to pitch. Stage focus, check size, and sector fit compared side by side.
J J Investments is a venture capital based in Grand Rapids, MI, United States. Martin J Gross is a venture capital based in Roseland across 200 portfolio companies. Both invest in Healthcare, while J J Investments also covers Biotech and Martin J Gross covers adjacent sectors. On stage, J J Investments is active at undisclosed stages and Martin J Gross at Growth.
Investors like J J Investments · Investors like Martin J Gross · J J Investments co-investors · Full investor directory