Congratulations on your admission to both IESE Business School and Yale SOM! Both are highly respected business schools with great reputations and can provide excellent opportunities for your future career.
As you mentioned that your post-MBA goal is to move into management consulting or a technology strategy/management role, both schools can offer you relevant courses and resources. However, there are some differences between the two schools that you may want to consider before making your decision.
IESE Business School has a strong focus on global management and entrepreneurship, with a particular emphasis on European business. This could be beneficial if you are interested in working in Europe or want to gain exposure to European business practices. On the other hand, Yale SOM has a reputation for its focus on social responsibility and sustainability, and the school has a strong network in the United States. This could be beneficial if you are interested in working in the United States.
In terms of post-MBA opportunities, Yale SOM has a strong reputation in management consulting, with a large number of graduates securing consulting roles each year. The school also has a strong alumni network, which can be beneficial in securing job opportunities. IESE Business School also has a strong reputation in consulting, but the focus is more on European consulting firms. However, IESE has a strong network in Latin America, which could be beneficial if you are interested in working in that region.
Regarding school brand name, both IESE Business School and Yale SOM have a strong reputation in the business world. IESE Business School is consistently ranked highly in European business school rankings, and Yale SOM is a highly respected business school in the United States and globally.
Considering your situation, if you are looking for a more affordable option with a strong reputation in Europe and Latin America, then IESE Business School would be a good choice. On the other hand, if you are interested in working in the United States and are willing to take on more debt for a prestigious school with a strong reputation in management consulting, then Yale SOM would be a good choice. It's important to consider the long-term financial impact of taking on more debt, but also weigh the potential career benefits that a top-tier business school like Yale SOM can offer.
Good Luck with your decision.