How do you maintain the vital culture of a craft brewery while it grows distribution and expands into new businesses? It’s a question many young breweries are forced to answer, as they struggle with balancing the spirit that builds a brand with the need for experienced leadership, the demand for increased sales, and more capacity. Night Shift Brewing is trying to figure it out right now: The Everett, Mass. brewery recently hired two C-level executives to join its team, and it’s once again looking to double production and sales. Meanwhile, the brewery is also trying to support a new wholesaling business — Night Shift Distributing — and managing a growing roster of employees.