. >> all at the same time, jack taylor is accelerating efforts to raise money for cure.e is david culver. >> r orter: as dozens of jack taylor's employees focus on getting customers on the road, the company namesake rolls through four wheels. that's the boss, jack, checking in like a friendly neighbor, often joking with his team. >> hi, everybody, work harder. >> reporter: from the start, he has grown the company to more than 200 employees. no question, he is competitive. but he says you don't have to be mean to be successful. >> i think the only way to be successful in businesss to be nice >> reporter: his niceness showsg in hmicks. he raised tens of millions for worthy causes. the one he is most committed to now, finding a cure for parkinson's disease. >> when you were told you have parkinson's. >> nah. i don't have that. you guys are crazy. i was in complete denial. >> reporter: in the past seven years, his walking slowed, his sali glands work overtime, makes talking a challenge. >> hard to button a stuff you take for granted. io reporter: despitencreasing physical li