About Us


Atticus Consulting, LLC was founded by Barbara McMahan in 2003 as an HR & Organizational Development firm committed to creating leadership solutions and empowering productive professionals. We strive for each individual to make their most positive impact. Our certified partners offer an array of assessment tools, processes, and resources to promote professional development.


Barbara McMahan | President, SHRM-SCP, SPHR

Barbara is an experienced international organization development consultant.  She specializes in coaching executives and professionals in developing global teams, building leadership capacity and leveraging talent.   The purpose of her consulting is to bring people together to build trust, accomplish results and affect positive change. She enjoys helping teams and individuals identify their unique strengths to create innovative opportunities.

Kalman Heyn | Information Technology Specialist

In addition to working on the Atticus team, Kalman, is a Business Strategy Manager at Adobe. He graduated from the Ohio State University in Management Information Systems. He seeks to help the world through innovative, environmentally-friendly technology and process improvement, as well as constantly explore creative opportunities to apply his growing information technology skills.

Sara Uhlenbrock-Heath | Owner, Uhlsee Branding & Design

Sara is the owner of Uhlsee Branding & Design, specializing in providing branding and design services to small businesses and job seekers. With over a decade of experience in the creative industry, she’s guided professionals through building relatable brands from the ground up and mastered the art of turning ideas and concepts into beautiful and impactful communications pieces.


Client Testimonials

Here are a few testimonials from our satisfied clients. Here are what they are saying about working with Atticus Consulting LLC:


Bill Carigan, Market President of Promark

“In my opinion, Barb is one of the most successful and effective Executive Coaches in our industry. If you need to accelerate and improve the effectiveness of your Leadership Team and your emerging leaders, look no further…the feedback is always glowing. Barb establishes trust with both the Coaches and their co-workers/supervisors quickly. Her Net Promoter Score for her Promark engagements is a perfect +100. Barb is the gold standard in Executive Coaching.”

Johnson Trust Company

Tara N. Adams, Vice President of Trust Services and Compliance

“Barbara’s leadership of our coaching group and thoughtful guidance is unlike any woman I’ve had the opportunity to learn from.  Thank you for your spirit of positivity, encouragement, firm boundaries and space to make up our own minds.  It’s refreshing and I’m grateful to you.”


Annie Davis, Director of PR & Community Outreach

“Thank you so much for such a wonderful and insightful class, our team had such fun and we can’t wait to talk with the rest of our team about how we can put some of the information to good use! It is definitely worth introducing to more people at the TOUR, incredibly helpful!”


Jamie D’Agostino, Vice President of Human Resources

“Barbara was my executive coach as I was embarking on a journey to seek out my next opportunity.  She was excellent at listening, facilitating our discussion and guided me to think through next steps in closing one door and opening another.  Barb provided great feedback, resources and support.  She created a safe environment that allowed me to feel comfortable opening up. I truly appreciate that she tailored her approach to meet my needs.”

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