In this episode of What’s Your Juice?, Aaron Ungerleider, an environmental scientist and professional big-wave surfer, tells the world what makes him feel alive, gives him a sense of purpose, and fills him with excitement: that is, what’s his juice. Aaron recounts his journey with surfing massive Hawaiian waves, details how he has maintained the purity of his passion, and discusses the importance of reflection and one’s mindset. As more than an aside, Aaron unveils for us the mysteries of Dr. Pepper.