Lantronix announces resignation of CFO Jeremy Whitaker, appoints Controller Brent Stringham as interim CFO and names David McLennan, ex-Sierra Wireless, as adviser during the transition … Vecima Networks promotes Judd Schmid to CFO, succeeding Dale Booth, retiring … Lattice Semiconductor appoints Ford Tamer, ex-Inphi, CEO, replacing interim CEO Esam Elashmawi, who continues as chief strategy and marketing officer.