What can board of directors of big tech companies do to push for more ethical practices in the field? Lisa Lewin is the managing partner at Ethical Ventures, a management consulting firm. Because the problem of ethics in tech is so monumental, she thinks we need to include all stakeholders in finding a solution. From tech workers and consumers to boards of directors. Why them? Because they get a unique access to these companies' CEOs. Mandatory face-to-face time that can make a real difference.