Before coming to "Shark Tank," Gunnar Optiks raised $9 million in two ... with Croft's ability to stay alive in the oversaturated eyewear market, and Vitamin Water alumni Rohan Oza, who personally ...

He has since written several stories about new technologies featured on "Shark Tank," including the Woosh Air Filter and Gunnar Glasses. Armed with his expertise in consumer technology ...

It was three years younger when I first reviewed the Gunnar Optiks eye strain-reducing glasses, meaning that I lived in a time when I didn’t regularly get eye strain and tension headaches from ...

Mark and Kenzo Singer on the Shark Tank set | Credit: Courtesy Mark Singer and his son Kenzo Singer first developed their EyeWris reading glasses in Mark’s workshop on Lower State Street. For Mark, ...