The insurance industry has to deal with more and more complex models with the growth of complex products, the demand by the regulators with the principles-based valuations and the desire for more robust risk management practices in volatile capital markets. This presentation from Session Q3 of the SOA 2012 Investment Symposium addresses the questions: 1. What are some of the model efficiency techniques and technology solutions that are promising? and 2. What are the pros and cons of different approaches?