James McDonald works in management for McDonald Contracting, owned by his brother, Ed, a Thirty Under 30 alum from the Class of 2017. James manages 10 employees and subcontractors’schedules, ensuring projects are on-budget and on-time; visits job sites daily, and meets with new clients to develop and manage budgets and help with design decisions. He’s been VP atMcDonald since 2013 and has led nearly 200 K&B renovations over the past eight years, often with budgets surpassing $150,000 per project. He holds a Contractor’s License and Home Improvement Contractor’s License, and supports Arlington Eats, a food pantry in Arlington, Mass.