Raise even more money than initially desired because the opportunity is so immense that there's no time to waste. Immediately recruit MIT engineers to build the three different products for free in return for equity in Rafael's company.
This would save Rafael time from having to meet and convince investors and would protect more ownership for Rafael and his founding team.
Then walk over to the MIT Sloan School of Management and recruit the best business students to develop marketing plans for the three products. Both of the above. Neither of the above