Yahoo adds one director as two board members exit SAN FRANCISCO Yahoo (YHOO) is adding a new director and parting ways with two other board members in the latest shake-up of the Internet company's hierarchy. PayPal co-founder Max Levchin joins Yahoo's board while Intuit CEO Brad Smith and Weather Channel CEO David Kenney step down. Yahoo stock hits $19 for first time in years Yahoo CEO raids Google to hire top lieutenant Yahoo buys more mobile expertise in latest purchase The changes announced Thursday pare Yahoo's board to 11 directors. All but one of them, former accounting executive Sue James, have joined Yahoo's board this year. The overhaul is part of an effort to bring in new ideas as Yahoo tries to revive revenue growth and snap itself out of a malaise that has left its stock price well below where it stood five years ago. Yahoo hired former Google (GOOG) executive Marissa Mayer five months ago to orchestrate the turnaround effort.