After a lifetime of training and teaching

worldwide, I know what truly matters to me.

I’ve taught elite special forces, including the FBI Hostage Rescue Team—at Langenzell Castle, Germany —and at the headquarters of global Fortune 500 companies: Google, Apple, and eBay in California, and at Harvard University—but titles and stages fade.

What flame is still burning is sharing my knowledge with passion and watching you grow, excel, and reach heights you never thought possible.

My coaching philosophy is further detailed in my latest publication, currently hosted on Amazon. This work is not a general primer; it is a specialized manual geared toward professionals and advanced students seeking to master the nuances of elite-level training and instruction.

www.amazon.com/dp/0990483665

German edition:

www.amazon.com/dp/9925831407

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Please when contacting me, include your contact info.

Thank you

Dai Sifu Sim