Rapidly pacing the front of the room, voice bellowing, arms gesticulating, you’d think Erich Joachimsthaler, Founder of Vivaldi , was doing his best drill sergeant impersonation from Stanley Kubrick’s Full Metal Jacket . Alas, Mr. Joachimsthaler was nowhere near marine barracks; he kicked off a pretty great “Jam Session” called “Disrupt or Be Disrupted: Embracing Digital in B2B.”