I think the #1 thing when you become part of an exec team is that you should be optimizing for the _business_, and not your function. The working assumption is that you will keep your function executing and delivering, but what is really hard is helping to figure out what the right decisions are for the business. Should we invest more in product or sales? What if there’s a huge top of funnel problem — what can we do about it? Your job is to bring that technology perspective to the discussion.

I’ve been an exec, founder, CEO, and board member at various stages of successful (IPO) /unsuccessful companies (acqui-hire) companies. And the common thread at every stage is that the most successful companies had management teams that worked well together to optimize for the business.

So instead of spending your energy on reading / learning more about tech, I’d recommend you spend your energy learning more about business (I’d probably start by asking the CEO & the rest of the mgmt team for advice on what to learn.)