Questions about Diversifying an inheritance.

For some context, I am a 21 year old guy. My grandpa died when I was 18 years old and was rather successful. He created a fund for my father, brother and I, overseen by a lawyer, an accountant, and 3 trustees with the lead being my grandma, to roughly the tune of $7 mil in almost entirely JNJ stock. I haven't had specific details in the past, but now that I am in college on track for a stat degree I am being offered an opportunity to have a seat at the table because they are diversifying.

During that process they would like me to draft a diversification proposal. I know my personal finance basics and how to invest in IRAs and plan my own retirement, but frankly this is a little out of my depth. Nonetheless, I would really prefer not to mess this up because this is a real opportunity to make myself stand-out to the decision makers in my household. I was thinking of creating a sleeve of $700k for a 4 year ladder strategy in CDs and bonds to meet immediate expenditure and then refill that on a yearly basis depending on market conditions using the remaining $6.3m, but I really don't know what to do with the remaining $6.3. Should I push growth? Should I go for a dividend/bond strategy to guarantee $175k per year. Should I do a mix of both without really capitalizing on the full benefits of either? I know enough to have a literate conversation, I just haven't had enough experience managing money to make a meaningful decision. If anyone on this sub has guidance it would be really appreciated, and if not could you direct me to a better sub?