Cornerstone Alliance has announced the return of its annual Developer Day, set for next month. Cornerstone Alliance says Developer Day offers investors, lenders, builders, and community leaders a chance to explore development projects around Berrien County. Cornerstone Alliance Senior Vice President Andrew Haan says the event is designed to strengthen connections between communities and private partners while encouraging investment. Last year’s Developer Day, the first, was a sold out event. Cornerstone Alliance says it welcomed more than 55 developers, bankers, construction firms, and environmental consultants for site visits throughout Stevensville, Buchanan, Niles, St. Joseph, and Benton Harbor.