Leadership

Horizon River’s leadership team excels at bringing in the brightest team members that are focused on building a stronger team. All of our team members challenge themselves and each other to exceed today's success tomorrow.

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Jef Wallace
President and CEO

With over 20 years of experience leading both consulting and technology organizations across multiple industries, Jef is a frequent speaker on topics of Leadership, Culture, and Business Transformation.  Prior to Horizon River, Jef was President of NexxPhase, a cloud-based provider of virtual customer engagement solutions that integrate communications channels, customer interactions, and back office systems.   

Jef was a founding partner of The Kairos Companies, a boutique financial services company with a focus on M&A, Private Equity, and Real Estate.  Prior to Kairos, Jef was on the initial team of four people who launched Knowlagent (now Intradiem), a human performance enterprise software company that distributes its products worldwide. 

Jef is an active member of the Young President’s Organization (YPO). 

Education

  • Georgia State University, Master's Degree in Management
  • Georgia Institute of Technology, Bachelor's Degree in Management 

Personal Interests

  • Cooking
  • Golf
  • Skiing
  • Completed his first (and last) Running of the Bulls in Pamplona, Spain
Jef Wallace
President and CEO
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Chris Harrison
Chief Technology Officer

Chris likes to sum up his role in two words: Problem Solver.  Every position Chris has ever held is anchored by the fundamental skill of grasping complex problems and finding common sense solutions.  Chris started working for a small technology consulting firm in the Tampa Bay area right out of college.  He quickly added skills to his portfolio, starting with desktop and server support, until he found his passion for networking.  

He joined the team at SunTrust Bank, progressing from field network installations to Network Architecture in the course of 4 years.  During his time at SunTrust, he also became the primary Security Technology architect for the bank. Projects at SunTrust included migration of 2000 locations from Frame Relay over ATM to MPLS, architecture and implementation of two complete Data Center migrations, and the development of a fully fault-tolerant Extranet (partner) network.  Subsequent to SunTrust, Chris joined e*Trade Financial, Fiserv, Genuine Parts Company, and ultimately Horizon River Technologies.  

Areas of Expertise 

  • Data Center Design and Implementation 
  • Network Architecture (LAN, WAN, Data Center, Wireless) 
  • Security Architecture (Firewall, IDP, SIEM) 
  • Carrier technologies (TDM, SONET, DWDM, EoC/EoF) 
  • Network Management  

Education 

  • St. Leo University 

Personal Interests 

  • Spending time with my kids 
  • Music – Bass Guitar 
Chris Harrison
Chief Technology Officer
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Katie Roney
Chief Administrative Officer & Counsel

Katie manages HRT’s legal work, regulatory compliance, and human resources.  Katie’s past legal experience includes a wide range of litigation work, including construction law, insurance defense, products liability and consumer class actions.  She has a JD from University of Pennsylvania Law School and a BA with Honors from the University of Michigan.  At HRT, Katie works with clients and the HRT’s team to develop and finalize contracts and to mitigate potential liabilities.  She also assists with internal operations to keep the company running smoothly. 
 
Areas of Expertise 

  • Litigation 
  • Products liability 
  • Consumer class actions 

Personal Interests

  • Painting (learning watercolor) 
  • Spending time with her dog Zoey 
  • Browsing homes she can’t afford in places she doesn’t live on Zillow 
Katie Roney
Chief Administrative Officer & Counsel
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Bob Fletcher
Chief Client Officer

Bob is one of the nation’s leading call center executives with over 40 years of operations, management and consulting experience.  During his career, Bob has delivered guidance to more than 1,000 call centers and trained over 5,000 managers and supervisors worldwide.  He has directly managed many large-scale operations both domestically and internationally - two of which have been ranked #1 in customer service by J.D. Power and Associates under his leadership.  

Bob has held various executive positions and consulting experience with companies like Arvato Digital Services, Deutsche Telekom,  T-Mobile Germany, T-Mobile Netherlands, T-Mobile US, Verizon, Pitney Bowes, TeleDenmark, Gateway of Dublin, Ireland, DecisionOne, Delta Dental, Wells Fargo, and Cox Communications. 

Education

  • Louisiana College, BA
  • Clemson University, Graduate Work

Personal Interests

  • Fly fishing in Montana and Colorado
  • Traveling; he has been to six continents
Bob Fletcher
Chief Client Officer
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Mark Stevens
President, Healthcare

Mark is a seasoned Executive with over twenty years of leadership experience in the Healthcare and Financial Services sectors.  Before joining Horizon River in early 2018, Mark was the Chief Operating Officer of Aris Radiology.  Prior to that, he served as the COO of USTeleradiology from 2005 until it sold to Aris in 2016.  Before relocating to Atlanta and joining UST, Mark was the Director of Operations for a boutique financial services firm with offices in New York and Hong Kong.

Mark has led companies ranging in value from $3M to $70M throughout his career.  His diversified background also includes early career service as a New York City and Federal Law Enforcement Officer and as Soldier with the United States Army, Military Police Corps.

Areas of Expertise

  • Operations Management / Process Improvement
  • Organizational Structure and Succession Planning
  • Leadership Development / Team Building
  • Digital Transformation and Technology Selection/Integration
  • Due Diligence: Buy-side and sell-side Mergers and Acquisitions

Education

  • New York Institute of Technology, BS
  • Brooklyn Law School, Graduate Work

 

Personal Interests

  • Veterans Initiatives
  • Spending time with his teenage daughter, and
  • Traveling, celebrating life and experiencing different cultures
     
Mark Stevens
President, Healthcare
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Scott McDermott
Chief Application Development Officer

Scott is the Chief Application Development Officer at Horizon River Technologies.  With a Bachelor's Degree from Notre Dame and a Masters Degree in Mechanical Engineering from the Georgia Institute of Technology, Scott brings the Technical know-how to Horizon River.  Mr. McDermott’s background in workflow process analysis and streamlining have led to the development of many successful applications in the Healthcare, Retail and Financial Services sectors that have improved operations, enhanced patient care and client relations, and reduced costs for our clients.  Examples include dashboard, mapping, reporting and data modeling applications for retail and technology companies and a multi-specialty healthcare reporting system that allowed one radiology practice to increase volumes by 176% over six years resulting in the successful sale of that practice.  Bringing experience from Alventive, Inc. MicroStrategy, PRG Shultz, and Visual Crossing, Scott and his team have an app for that!

Scott McDermott
Chief Application Development Officer