So you're bench-pressing 80 pounds at the gym. So what? It doesn't mean diddly if you're letting your colleagues call all the shots. Being powerful means knowing when to negotiate and when to walk away. Be in charge or be powerless. The choice is yours. Our advice: get out there and flex your well-buffed biceps. Being powerful also means cultivating a powerful network. Lorraine Ball of Roundpeg Consulting blogs about nurturing your relationship with your "Power Team" -- a group of business owners in related businesses who also target your customers. Executives can also benefit from Ms. Ball's advice -- Intentionally build a network of contacts who are likely to run into opportunities for you. Read more here: Do More for Your Power Team Connect with Lorraine Ball on twitter @RoundPeg.