Leadership

Horizon River’s leadership team excels at attracting the brightest team members that are focused on delighting our customers. All of our team members challenge themselves and each other to exceed today's success tomorrow.

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Mike Monaghan CEO
President and CEO

Mike Monaghan is an entrepreneurial leader who quickly assesses growth and optimization opportunities. He has proven success in driving meaningful and sustained results for the entire enterprise in competitive and challenging markets. His leadership style combines disciplined data-driven operating approach with a personable, collaborative and an inclusive touch.

Mike is the Chief Executive Officer at Horizon River Technologies.  He brings more than 25 years of transformative experience to Horizon River.

Previously, Mike held President & Chief Operating Officer roles in SMBs. In the Fortune 50 space, Mike ran divisions, functions, and was the VP, Business Improvement, Chief of Staff & General Manager for Coca Cola Refreshments a $20B+ division of Coca Cola Company. Mike and his team successfully led the transformation and turnaround of this division which was the largest bottler in the Coca Cola system.

Mike is a global executive who has held many operational, functional, and financial roles throughout his 25+ years of experience, with a depth and breadth in several industries.

Mike holds a Bachelor of Science, Finance degree from St. Joseph’s University in Philadelphia. Mike and his wife Christy reside in Atlanta with their 3 children.

Mike Monaghan CEO
President and CEO
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E Seiter pic
Chief Growth Officer

Eric Seiter is the Chief Growth Officer for Horizon River Technologies. He is responsible for customer satisfaction, new client acquisition and all market facing activities.

Prior to his current role, Mr. Seiter was Vice President, Customer Delivery for Landis+Gyr Americas. As a trusted partner to his utility clients, he was responsible for the delivery of the entire Landis+Gyr portfolio of products, services, and solutions to electric, gas & water utilities in North and South America. Responsible for the North American P&L, Mr. Seiter managed a $700M region, approximately half of Landis+Gyr’s worldwide revenue.

Prior to his Americas role, Mr. Seiter served as Vice President & General Manager of the East Region for Landis+Gyr where he was responsible for all customer-facing activities from initial account engagement through deployment and implementation across the Landis+Gyr portfolio. Previously, Mr. Seiter was Vice President & Chief Financial Officer of Product Delivery and Solutions for Landis+Gyr. In this role Mr. Seiter was responsible for the financial management, strategy, and business partnership across the Product Delivery Organization that included Manufacturing, Supply Chain, Quality, Product Management, and Research & Development. In addition to the Product Delivery Organization, Mr. Seiter oversaw the development of the Solutions business, including load management, battery energy storage, and analytics.

E Seiter pic
Chief Growth Officer
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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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KellyCallahan-1
Chief Financial Officer

Kelly has served in accounting and administrative leadership roles in a variety of industries – retail, healthcare, and technology.

Education and Credentials

Certified Public Accountant

Bachelor of Business Administration-Accounting, Middle Tennessee State University

Master of Business Administration, Middle Tennessee State University

 

Personal Interests

  • Golf
  • Spending time with my fur kids
  • Various projects on our 60 acre property
KellyCallahan-1
Chief Financial Officer
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Sonny Cohen_2
Outside General Counsel

Harold M. (Sonny) Cohen currently serves as outside general counsel for the Company. Mr. Cohen is a partner at Taylor English Duma, LLP, a full service 175 lawyer firm based in Atlanta, Georgia. Mr. Cohen is a member of the firm’s Corporate, Real Estate and Hospitality teams. Mr. Cohen served from 2005-2017 as Senior Vice President of Legal Affairs, General Counsel, Corporate Secretary and Chief Administrative Officer of AFC Enterprises, Inc. and Popeyes Louisiana Kitchen, Inc. in Atlanta, Georgia. During that time, he was responsible for all legal affairs of the Company, a member of the senior management team, served as corporate secretary to the Board of Directors, and oversaw the Company’s internal audit, risk management, and property management functions.

Sonny Cohen_2
Outside General Counsel
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Dr. Erin-Elizabeth A. Durham
Sr. Director of Data, Analytics & Infrastructure

Dr. Erin-Elizabeth A. Durham (EE) is the Sr. Director of Data, Analytics & Infrastructure at Horizon River Technologies (HRT) in Atlanta, Georgia. EE is an accomplished IT professional with extensive experience in data sciences and professional services spanning over 20 years of direct industry engagements. She has worked extensively in data science, security, integrations, programming, machine learning and technology professional services.

Dr. Durham is the proud mother of 4 great kids. She lives happily in Marietta, GA, with her husband, Kevin. While raising her children and working full-time in her chosen field (Information Technology), EE pursued her passion for Technology by completing her PhD in Computer Science at GSU (2014). Dr. Durham continues to pursue her passion for new technologies by teaching part-time in the evenings in the Georgia State University Computer Science department, as well as working with the GSU CS ACM, IEEE and girls++ student associations to facilitate hackathons with an IOT and mobile technology focus.

Dr. Durham’s research and teaching interests include Cybersecurity, Big Data Programming, and Mobile/IoT Application Development.

Dr. Erin-Elizabeth A. Durham
Sr. Director of Data, Analytics & Infrastructure