As a startup founder in the pre-launch stage, I am exploring the multifaceted role of a Product Manager (PM) who can not only take on traditional PM responsibilities but also lead our tech team. Given the limited team size typical in startups, I would greatly appreciate insights from this community on defining the exact roles and responsibilities a PM should undertake in such a setting. How have you structured this role in your experience, and what challenges did you encounter? Please share your stories, advice, and any guiding principles that could help us refine this crucial position in our startup journey and do suggest any hiring tips.