Find out what they actually want
Ask what they hope the founder can do. Most want a decision, an apology or proof someone senior cares, and you can often supply that yourself.
Decide when the founder really should step in
Loop them in for a large account at risk, a public complaint or a legal threat. Skip it for a routine bug or a refund your policy already covers.
Brief the founder properly
Send a short summary: who the customer is, what happened, what they asked for and what you recommend. The founder should never have to read the thread.
Close the loop and learn from it
Record the outcome on the ticket. If the same request keeps arriving, fix the cause, such as a missing escalation path or an unclear policy.