Brian Kannard spent twenty years managing startups and corporate businesses before breaking into publishing by self-publishing his first book. Over the past decade, he’s worked on more than 1,000 book projects as a ghostwriter, researcher, editor, and consultant for authors ranging from NFL players to bestselling historians. Brian has ghostwritten thirty-four books, always striving to capture each author’s unique voice. His knack for uncovering hidden stories was showcased in Steinbeck: Citizen Spy, where he revealed John Steinbeck’s covert ties to the CIA. In 2024, Brian became a partner in Taylor Street Art and Books in Nashville’s historic Germantown, where he loves talking with readers about what they’re reading and why.
Jennifer Keller is an experienced book writer and collaborator with a passion for helping authors turn ideas into powerful, publishable manuscripts. With over a decade of ghostwriting experience, she’s written full-length nonfiction books across a wide range of genres, partnering closely with clients to capture their voice, story, and expertise. She’s also crafted dozens of successful book proposals—including chapter samples—that have helped authors land deals with major publishers. Jennifer’s background includes eight years in marketing at HarperCollins Christian Publishing, giving her a unique ability to guide clients not just through the writing process, but also toward developing books that sell. Jennifer brings a project manager’s discipline, a marketer’s eye for positioning, and a writer’s commitment to excellence. She’s detail-obsessed, deadline-driven, and known for making the writing process seamless, strategic, and rewarding.
As a #1 New York Times bestselling ghostwriter with decades of experience, Jackie has worked across business, leadership, ministry, personal development, sports, music, and entertainment. As a top content producer for Dave Ramsey and Director of Content at THINQ Media, she’s led teams of 30+ writers while maintaining her edge as a hands-on creator. She’s the rare professional who can both strategize at the executive level and craft sentences that stick with readers long after they’ve closed the book. Jackie’s approach is simple but powerful: she listens deeply to find the human story at the heart of every message. Her clients don’t just get a ghostwriter—they get a creative partner who’s invested in helping them share truths that genuinely matter. Her work has generated millions of views and consistently topped bestseller lists, but not because she’s chasing trends. She’s not interested in writing books that simply fill shelf space; she’s passionate about creating works that change lives.
Sam Severn is a 15-time #1 best-selling ghostwriter, screenwriter, and writing coach with over 70 published books to his name. A former student of Rebel Without a Cause screenwriter Stewart Stern, Sam has collaborated on hit memoirs like Tears For My City and The Revved Life, and coached authors of Disney Hyperion’s Serafina and Willa of the Wood series. His ghostwritten screenplay, based on a bestselling memoir, has won multiple Best Adaptation awards and is in development as a feature film. Sam has also published thousands of print articles, spoken at the Nashville Writers’ Conference, and continues to guide writers toward their breakthrough moments. He lives with his wife Sally (also a #1 best-selling editor) on a farm near Nashville, along with their beloved Yorkies, Nigerian dwarf goats, and cat. He’s currently coaching three debut novelists, consulting on a courtroom thriller, and writing the Great American Rock N’ Roll Novel.
ONE works with a variety of ghostwriters across genre, experience, and accolade. The ghostwriters who write a book with ONE are all heavily vetted and trained in our processes. The following FEATURED GHOSTWRITERS, however, are a few of our most successful, experienced, and popular ghostwriters on our roster.
Brian Kannard spent twenty years managing startups and corporate businesses before breaking into publishing by self-publishing his first book. Over the past decade, he’s worked on more than 1,000 book projects as a ghostwriter, researcher, editor, and consultant for authors ranging from NFL players to bestselling historians. Brian has ghostwritten thirty-four books, always striving to capture each author’s unique voice. His knack for uncovering hidden stories was showcased in Steinbeck: Citizen Spy, where he revealed John Steinbeck’s covert ties to the CIA. In 2024, Brian became a partner in Taylor Street Art and Books in Nashville’s historic Germantown, where he loves talking with readers about what they’re reading and why.
Jennifer Keller is an experienced book writer and collaborator with a passion for helping authors turn ideas into powerful, publishable manuscripts. With over a decade of ghostwriting experience, she’s written full-length nonfiction books across a wide range of genres, partnering closely with clients to capture their voice, story, and expertise. She’s also crafted dozens of successful book proposals—including chapter samples—that have helped authors land deals with major publishers. Jennifer’s background includes eight years in marketing at HarperCollins Christian Publishing, giving her a unique ability to guide clients not just through the writing process, but also toward developing books that sell. Jennifer brings a project manager’s discipline, a marketer’s eye for positioning, and a writer’s commitment to excellence. She’s detail-obsessed, deadline-driven, and known for making the writing process seamless, strategic, and rewarding.
As a #1 New York Times bestselling ghostwriter with decades of experience, Jackie has worked across business, leadership, ministry, personal development, sports, music, and entertainment. As a top content producer for Dave Ramsey and Director of Content at THINQ Media, she's led teams of 30+ writers while maintaining her edge as a hands-on creator. She's the rare professional who can both strategize at the executive level and craft sentences that stick with readers long after they've closed the book. Jackie's approach is simple but powerful: she listens deeply to find the human story at the heart of every message. Her clients don't just get a ghostwriter—they get a creative partner who's invested in helping them share truths that genuinely matter. Her work has generated millions of views and consistently topped bestseller lists, but not because she's chasing trends. She's not interested in writing books that simply fill shelf space; she's passionate about creating works that change lives.
Sam Severn is a 15-time #1 best-selling ghostwriter, screenwriter, and writing coach with over 70 published books to his name. A former student of Rebel Without a Cause screenwriter Stewart Stern, Sam has collaborated on hit memoirs like Tears For My City and The Revved Life, and coached authors of Disney Hyperion’s Serafina and Willa of the Wood series. His ghostwritten screenplay, based on a bestselling memoir, has won multiple Best Adaptation awards and is in development as a feature film. Sam has also published thousands of print articles, spoken at the Nashville Writers’ Conference, and continues to guide writers toward their breakthrough moments. He lives with his wife Sally (also a #1 best-selling editor) on a farm near Nashville, along with their beloved Yorkies, Nigerian dwarf goats, and cat. He’s currently coaching three debut novelists, consulting on a courtroom thriller, and writing the Great American Rock N’ Roll Novel.
