Meet the Team
The Callis team is comprised of talented individuals with diverse interests, backgrounds, education and experience. Each team member is continually training to gain new knowledge, learn new methods and employ new technologies to better serve our clients. Get to know our team below.
We're hiring!
Callis is on the hunt for marketing professionals to join our team. There are opportunities available for account executives, digital marketers and marketing interns.
Leadership
Cliff Callis
Founder
Education:
Missouri Valley College, B.S. Business,
Emphasis in Communications and Economics
Community Involvement:
Past President, Board of Directors - Center for Human Services
Vice President, Board of Directors - Bothwell Foundation
As founder of the agency, Cliff offers clients more than 35 years of experience and expertise in marketing, advertising and public relations. He grew up in the retail business, working alongside his father and brother, where he first learned about the customer experience.
Throughout his time leading the agency, Cliff ensured Callis was at the forefront of industry changes, especially the digital revolution. He focused his efforts on client, employee and public relations and worked with clients to help grow their business.
He and his family reside outside Sedalia where he enjoys outdoor sports, travel and the inspiration of life’s experiences.
Megan Hartman
President
Education:
Missouri State University, B.S. Management
Community Involvement:
Board of Directors - Sedalia Convention and Visitors Bureau
Women’s Service League
Bothwell Foundation Business Committee
Bothwell Foundation Wear Red Committee
Horace Mann Elementary School PTA
Megan brings a blend of enthusiasm, strategic thinking and operational excellence to her role as President of Callis. She leads the agency’s vision and culture, ensuring the team delivers smart, creative work that drives meaningful results for clients.
Megan began her career at BluCurrent Credit Union, managing operations across all branches and gaining a strong foundation in leadership and service. She joined Callis in 2012 and has since served in roles including Account Manager, Account Executive, Client Services Director and Director of Operations before becoming owner in early 2025. Her experience across departments gives her a deep understanding of agency workflow, client needs and team development.
As President, Megan champions collaboration, accountability and a people-first environment where great ideas can thrive. She is driven by a passion for helping organizations tell their stories and achieve meaningful marketing outcomes.
Outside the office, Megan enjoys spending time outdoors with her young family and staying engaged in the community.
Stephanie McMullin
Director of Operations
Community Involvement:
Bothwell Foundation Wear Red Committee
Stephanie specializes in working with clients, managing projects, providing customer support and improving customer satisfaction. She joined Callis after working as Client Relations Manager at Wilson Toellner CPA in Sedalia.
Stephanie's strengths are in building relationships with internal teams and helping streamline processes, ensuring cross-functional collaboration and timely, on-budget completion of projects. She’s also a leader of the Callis Culture Club, where she plans fun, team-building gatherings and activities.
A Sedalia native, Stephanie is a graduate of Smith-Cotton High School and has two grown children and three grandchildren. In her spare time, she enjoys spending time with her husband, family and friends, going to the lake, camping and learning how to golf.
Dana Kelchner
Creative Director
Education:
University of Central Missouri, B.S. Public Relations
Community Involvement:
Bothwell Foundation Wear Red Committee
Board of Directors - Sacred Heart Foundation
Dana brings precision, creativity and broad experience to the Callis team. She joined the agency after 15 years as Executive Director of Marketing and Communications at State Fair Community College, where she was the college’s first marketing director and grew the department while strengthening its brand. She has extensive experience with strategic planning, managing complex projects and brand and publication management.
As Creative Director, Dana leads strategy, creative and content development, supervises key accounts and oversees client projects to ensure they are delivered on time and to expectations.
Dana and her husband live in Sedalia and have two grown sons. They enjoy travel, the outdoors and life as empty nesters. She stays busy with her Golden Retriever, Finn, and loves reading, cooking, walking, gardening and being the best Lolly to her two granddaughters.
Kyle Meek
Digital Services Director
Education:
University of Central Missouri Honors College, B.S. Graphic Technologies with an Emphasis in Web Media Technology and a Minor in Computer Science
Community Involvement:
Board Member and Past President - Sedalia Optimist Club
Digital Media Program Advisory Board - State Fair Community College
Kyle is a strategic digital leader who specializes in digital advertising and developing modern, high-performing websites while driving tech-forward solutions for clients. As Digital Services Director, he leads Callis’ digital strategy, spanning web development, digital advertising, SEO, data analysis and all production work, while guiding innovations that elevate results across industries.
With over a decade of experience advancing Callis’ digital capabilities, Kyle is known for his problem-solving mindset and ability to implement efficient, technology-driven systems.
A Sedalia native, Kyle continually champions community impact and youth development through his volunteer work. Outside the office, he enjoys gravel cycling, working out, reading, traveling with his wife and son, attending concerts and cheering on the Baltimore Ravens.
Account and Project Management
Darren Grove
Business Development
Education:
University of North Dakota, B.S. Aeronautical Studies
University of Oklahoma, MBA
Darren has an extensive background in business-to-business relationships. His former clients run the gamut from established neurosurgeons to aspiring entrepreneurs. He thrives on learning what makes each organization unique and uncovering the people and stories behind them, connecting businesses with strategic marketing solutions that help them grow and succeed. He and his wife live in Sedalia and thoroughly enjoy the rural lifestyle. Darren is a member and past president of Rotary Club of Sedalia and currently serves as President of the Katy Trail Community Health Board of Directors. Growing up in Alaska instilled his love of the outdoors. When not working, he relishes walking his beloved Great Danes, traveling, reading, photography and chasing a ball around the golf course. Although a licensed land and sea pilot, these days he just flies drones.
JOSIE GREGORY
Account Executive
Education:
Drury University, B.A. Graphic & Digital Design, with Minors in Communications & Business Administration
Josie brings enthusiasm and a collaborative spirit to the Callis team. With five years of experience in real estate marketing in Kansas City, she has developed effective strategies to engage target audiences. Originally from Lamar, Missouri, Josie is dedicated to building strong client relationships and delivering impactful marketing solutions. Outside of work, she enjoys golfing with her husband, spending time with family and friends, traveling and exploring Sedalia.
Julianna Sonnik
Digital Production Manager
Education:
University of Central Missouri, Currently earning an M.B.A. in General Business
University of Central Missouri, B.S.B.A. in Marketing with a Minor in Advertising
With a background in fine jewelry marketing, Julianna brings attentive project management, digital marketing experience and a creative eye to client initiatives. She keeps internal workflows streamlined while contributing to the strategy and execution of digital campaigns. A Sedalia native since the age of three, she earned her marketing degree from the University of Central Missouri, where she is pursuing an MBA. In her free time, she enjoys photography, playing piano, visiting local coffee shops and exploring new places.
Digital and Design
Stephanie Lindberg
Art Director
Education:
Missouri State University, B.F.A. Graphic Design
Stephanie shines while leading the charge in creating strategic and masterfully-crafted artwork for clients and the agency. As Art Director, Stephanie guides the development of design and art from inception through production, all the way to final delivery, ensuring creative materials are effective and delivered in a timely manner. She graduated from Missouri State University where she earned a Bachelor’s of Fine Arts degree in Graphic Design with a Minor in Art History. Stephanie’s diverse work experience includes an internet marketing company designing websites for companies like Procter & Gamble and other leading brands, designing and publishing magazines, and creating a wide range of print and digital advertisements. She has played an instrumental role in many creative and design awards in which Callis has received national recognition. Stephanie enjoys spending time with her son at the lake and the pool, hiking and fishing. She is also an excellent chef and enjoys cooking and vegetable gardening.
Meagan Lemus
Design & Web Specialist
Education:
University of Central Missouri, B.S. Graphic Technologies
As a key member of the design team, Meagan takes client visions and turns them into reality through digital creation. She has an exceptional eye for design in digital and print forms, as well as a background in social media marketing. In her day-to-day role, Meagan helps clients develop a strong brand identity across all marketing channels through creativity, project management and customer service. Before joining the team at Callis, Meagan filled graphic artist and marketing positions at Inter-State Studio and Publishing and The Missouri Bank. She also spent time as a freelance graphic designer, producing content and creative materials for several Sedalia-based businesses. Outside of work, Meagan enjoys photography and spending time with her dogs.
Lindsay Barnes
Social Media Account Coordinator
Education:
University of Missouri–Columbia, B.S. Communications
University of Missouri–Columbia, B.S. History
As a Social Media Account Coordinator, Lindsay supports the Callis’ client service and social media department. She develops creative social media content and executes strategic social media advertising programs to help clients grow their brands and businesses. A Missouri native, born and raised in Kansas City, MO, Lindsay attended the University of Missouri-Columbia where she earned a double major in Communications and History. She interned at Mizzou Athletics, where she focused on writing football program features on athletes and practice reports for the Mizzou website. Lindsay has traveled across the nation supporting her husband, Tim Barnes, who played in the NFL for the St. Louis Rams, Los Angeles Rams and San Francisco 49ers. She worked with the Wives Organization providing social media strategy and content for the LA Rams. Lindsay and her family now enjoy raising cattle and being back in Missouri.
