Lightning Capital launched a $100 million early-stage AI Ripple Effect fund and appointed former Andreessen Horowitz partner Michele Griffin as managing partner and COO. The new details state the fund plans to back 10 to 15 companies with check sizes ranging from $1 million to $5 million, investing from seed through Series A. Existing information indicates the strategy is aimed at startups shaped by AI adoption and includes secondary market and cash management strategies.