Leaders of Massachusetts craft breweries Jack's Abby Craft Lagers, Wormtown Brewery, Castle Island Brewing and Vitamin Sea Brewing discuss their 2019 volume growth and the effects of the COVID-19 pandemic. The conversation turned to the measure of success in the volume growth-obsessed craft beer industry. Panelists discussed what indicators they check to measure the health of their companies, such as product quality, brand loyalty and quality of life for employees.