let's sfwro entintroduce our pa. ceo of twin cedar and also the head of the business school startup business studio. >> tonya, we've watched your company grow in the last eight years. it's been amazing to watch it from this side. congratulations to you. one the tip since the last time we've seen you. >> my top the tip is to schedule buffer time. it can be so tempting as a business owner to be booked back to back from the minute you wake up through to the end of the evening. you need to proactively go in. i schedule it in 90-minute increments in. >> 90 minutes a day? >> it sounds not achievable, but it gives you time to think about the meetings you've had, to plan for something that you're about to do, and to really reflect on the business because otherwise you're relegating your best thinking time to late in the evening when you're already exhausted. >> in this buffer time, are you saying i'm not going to answer e-mails or take phone calls? >> that is it. you think about mapping everything you're doing back to the pr