Plan around real events, not abstract topics
Instead of scheduling a generic topic like "leadership" for a given week, plan around the actual project, meeting, or decision likely to happen around that time. The specific experience makes a far stronger post than the abstract topic on its own.
Mix formats deliberately
Since native documents and carousels hold attention longer than plain text, a calendar worth planning includes a rough mix: a document post, a personal story, a genuine opinion. Defaulting to whichever format is fastest to produce each week gives that up.
Keep company-page and personal-profile content coordinated
Since personal profiles reach further than a company page, plan both together: a personal post, then the company page resharing or reinforcing it. Treating the two as separate content streams wastes the connection.