Female employees earn 73 cents for every dollar men do. There are more CEOs named John than there are female chief executives in total at the top 1500 companies in the U.S. By now we all know the ridiculous stats. What we don’t know yet is how we can change them. Entrepreneurs and tech industry veterans Justine Lassoff and Melinda Moore are playing their part. Two and a half years ago, they launched TuesdayNights, a networking group for female tech executives and entrepreneurs.