After his high school graduation, Dennis joined San Diego State University-California State University. There he majored in journalism and he also earned his Bachelor of Arts degree from there. In 1972, he joined Santa Barbara City College and he studied there for about a year. He began his career as a journalist since the early 1980s. In 1983, he was hired by The Arizona Republic and he began serving them as a reporter. It’s been more than three decades he has been working in The Arizona Republic. He is famous for being the correspondent at USA TODAY. He joined them in 2008 and he is still associated with them. It seems like he has been earning lucrative amount of salary and his net worth is expected to be high. His nationality is American and he is of white ethnicity. His age is unknown.