There’s a lot that Viveka von Rosen could teach us all–like how to harness the power of LinkedIn, how to expand our personal and professional networks, and even how to scuba dive.

Meet Wayne Pacelle, fierce animal rights advocate and Chief Executive Officer of the US Animal Humane Society.

During his tenure as HSUS President and CEO, Pacelle has driven transformational change for animals and spurred major growth for the organization, which has emerged as the nation’s 138th largest charity and and most effective animal protection organization.