Our Values
Leadership
Jeffrey Russell
Chief Executive Officer
Jeffrey Russell
Chief Executive Officer
Jeffrey Russell joined C1 in January 2023, having served in various leadership roles across technology and business consulting services for more than 35 years. He brings a proven history of supporting teams to create and implement innovative solutions for clients, building out differentiated industry-based capabilities and strengthening relationships with leading technology ecosystem partners. He was most recently President and CEO of Accenture Canada, where he delivered cross-industry market share growth. He holds BSC and MSC degrees in industrial engineering from the University of Manitoba.
Sal Lombardi
Chief Financial Officer
Sal Lombardi
Chief Financial Officer
Sal Lombardi has more than 20 years of experience as a global financial and operational leader and has deep expertise working with companies that develop and deliver platforms to provide client solutions. He is responsible for the company’s financial and strategic functions, including accounting, audit, treasury, and planning, and oversees and manages technology, legal and procurement activities. Lombardi holds a BS in Finance from the University of Connecticut.
John DeLozier
Chief Revenue Officer
John DeLozier
Chief Revenue Officer
John DeLozier leads the C1 sales organization across C1’s portfolio of customer experience, security and networking solutions. He is a proven industry leader and disruptor in the digital world with more than 25 years of experience in driving customer expansion strategies at Intelisys, 8x8, CenturyLink, Unify and others, resulting in double-digit, year-over-year growth. His people-first leadership style, industry expertise and history of building high-growth sales teams position C1 at the forefront of the market. John holds a bachelor’s degree in business management from Palm Beach Atlantic University.
Colleen Haberman
Chief Human Resources Officer
Colleen Haberman
Chief Human Resources Officer
Colleen Haberman brings more than 25 years of experience in human resources to her role. She previously held executive roles at Univita Health Inc., BioScrip, Express Scripts and Prudential Home Mortgage (now Wells Fargo Home Mortgage). Colleen holds a Bachelor of Arts degree from the University of Minnesota.
Mark Langanki
Chief Technology Officer
Mark Langanki
Chief Technology Officer
As CTO, Mark Langanki spearheads C1's innovations in technology solutions and services. He spent 25 years as the Chief Operating Officer at Spanlink Communications, which we brought on board in 2014. A graduate of the University of Minnesota, Mark has been an instructor there since 1996 and in 2014 assumed the role of Associate Program Director.
Omar Bhatti
Chief Customer Officer
Omar Bhatti
Chief Customer Officer
Omar Bhatti has more than 15 years of leadership experience in the professional services industry. He joined C1 in 2022 and previously held executive roles at GDIT, CSC, and Accenture. Omar holds a bachelor’s degree in finance from George Mason University, actively supports community STEM initiatives, and has a history of growing public-private partnerships that create resilient talent ecosystems across a full range of next-generation IT services.
Amrit Chaudhuri
Chief Growth Officer
Amrit Chaudhuri
Chief Growth Officer
Amrit Chaudhuri is a Product, Marketing and Go-to-Market leader with a strong background in the enterprise and consumer markets. Amrit is well recognized in the cloud industry, bringing nearly 20 years of experience taking cloud and SaaS solutions to market and driving revenue, adoption and market share growth. Amrit’s prior executive leadership roles at Oracle, RingCentral and 8x8 have established him as a well-known and respected thought leader. He holds a bachelor’s degree in electronics and electrical engineering from Loughborough University, UK.
Candace Holt
Senior Vice President, Strategic Operations
Candace Holt
Senior Vice President, Strategic Operations
Candace Holt serves as Senior Vice President of Strategic Operations at C1. Candace joined C1 in 2023 from Accenture in Canada, where she held roles leading Global Alliances for Accenture’s SAP CX business and, most recently, was the Business Operations lead for the Canadian Market Unit and Chief of Staff to the CEO of Accenture Canada. Prior to her Accenture experience, Candace held leadership roles in Sales, Marketing and Channel Management with CrossView, Inc. Candace holds a B.A. in Psychology from the University of North Carolina at Chapel Hill.
Tamara Shaw
Vice President, Transformation and Integration
Tamara Shaw
Vice President, Transformation and Integration
Tamara Shaw has more than 25 years of industry experience successfully leading teams in business, operational, financial and productivity improvement and organizational change. She joined C1 from Atos International where she was the Vice President, North America Service Operations. Tamara holds a BBA degree from University of Houston, C.T. Bauer College of Business and an MBA from Texas A&M University – Commerce and has been both PMP and Six Sigma Green Belt certified.