My husband is somewhat disengaged from the day to day finances, which I handle. And thinking about money is somewhat stressful for him. So my approach when things have been tight and we've been trying to pay off a lot of debt or handle expenses is to develop a simple plan of attack myself, then talk it through with him while on a walk or on a road trip. That way, if things get stressful, there is distracting scenery. During these 'meetings', he can mull over my ideas, give suggestions, etc. This also tends to be how we plan ahead for a big purchase or expense.
Re longer term financial planning (retirement funding, etc.), mostly we discuss the long term goals in the casual way described above until we agree on a plan. I then implement the plan. After that, we have a brief conversation during the first weekend of every month (nothing as formal as a 'meeting') where I update him as to how things are going, how much we have in different accounts, etc. Once per quarter, I print out a summary of this info, plus some simple visual aids like graphs, so that he can see our progress. During these monthly conversations, if we decide something needs to be tweaked, we make plans to discuss details on our next walk/drive, etc.
Very low key, keeps the stress level minimal, and he doesn't have to think about money except for brief periods at expected times.
He does NOT respond well if I suddenly 'call' a meeting for a big financial discussion or spring a heavy financial decision on him. I got stressed out about LTC insurance recently and made this mistake. It did not go well at all, and we had to work through the same conversation on several different walks later on before the tension diminished and a decision could be amicably reached.