Volunteer recruitment, retention, and more training on April 20 from 10:30 a.m.-12:30 p.m. at Central Library, 40 E. St. Clair St. Learn best practices and proven methods to recruit and retain volunteers. Presented by the Indianapolis Public Library. Cost: Free. Register

Milton J. Murray Lecture on April 27 at 6 p.m. at the Indiana Historical Society. Hear the latest insights from Edgar Sandoval, CEO of World Vision, on how to create lasting, life-changing impact at scale. Presented by IU Lilly Family School of Philanthropy. Cost: Free. Register

2023 Business software refresher series: Excel (Part 2) on April 28 from 11 a.m.-1 p.m. Gain a better understanding of Excel features and capabilities through focused discussion and demonstrations on how to use formulas to perform calculations, analyze data, and create presentation charts, pivot tables, and graphs. Presented by IUPUI Professional Development and Continuing Education. Cost: $75. Register

ChatGPT and artificial intelligence: Questions and implications for evaluators webinar on April 28 from 11:30 a.m.-1 p.m. Hear an evaluator’s experience and experiments with ChatGPT, and gain insights on whether and how evaluators can leverage AI. Presented by Indiana Evaluation Association. Cost: Free members/ $20 nonmembers. Register

Developing an effective board of directors workshop on April 29 from 10:30 a.m.-12:30 p.m. at Central Library, 40 E. St. Clair St. Get a deeper understanding of the basic responsibilities of nonprofit boards and how to improve board effectiveness. Presented by the Indianapolis Public Library. Cost: Free. Register