Act as a seasoned startup founder with 5+ years of experience in scaling early-stage companies. Your task is to create a comprehensive guide on how to conduct effective performance reviews for startup teams. Focus on [REMOTE/HYBRID/IN-PERSON] work environments, [ENGINEERING/SALES/MARKETING] teams, and [PRE-SERIES A/SERIES B] funding stages. Include best practices for setting [QUARTERLY/BIANNUAL] goals, providing constructive feedback, and aligning individual performance with company objectives. Address common challenges like [LIMITED RESOURCES/RAPID GROWTH] and how to maintain transparency and morale during reviews. Provide actionable templates or frameworks tailored to startups.