About Us

Esna is the leader in embedded communication and collaboration

Why choose us

Our goal at Esna is to provide the best communication solutions with an awesome user experience, which help people to stay productive and to get work done. We believe that communicating with others should be easy and people should have the freedom to do so anytime, anywhere.

Our history

Founded in 1989, Esna developed the first presence management system, instant messaging platform, and Windows based communication tools. A leader and innovator in software communications systems, Esna’s early success was founded on software solutions that included market leading features such as voicemail, chat, click-to-call, auto attendant, message broadcasting, and paging software.

What we do

Today we help millions of people across thousands of organizations to communicate and collaborate quickly and easily inside the business applications and mobile devices they use daily.

Mohammad Nezarati


Chief Executive Officer / Chief Technology Officer

Mohammad founded Esna Technologies in 1989 to deliver innovative voice-applications to enterprise customers. As CEO and CTO, Mohammad oversees Esna's strategy and product direction. Mohammad has over 20 years of leadership experience building profitable technology companies. Under his leadership, Esna has experienced tremendous growth in market share and established broad distribution channels including major phone and data networking vendors. Today Esna addresses multiple customer segments in over 30 countries globally. He was the primary architect and developer of the company’s original platform and award-winning solution, Officelinx™. Mohammad was honored with the Canadian CTI Pioneer award for his experience in the messaging and communications industry. Prior to his founding of Esna, Mohammad was an Industrial Engineer, holding a Bachelor of Applied Science from the University of Toronto.

Mehdi Nezarati

ImageChief Operating Officer

Mehdi is a founding partner of Esna. As COO, Mehdi oversees the company's global service, support, IT and sales operations and serves as the executive sponsor of Esna's large enterprise accounts. For more than twenty years, Mehdi has led numerous divisions at Esna and has unparalleled expertise in product management, customer service, product support, sales and operational excellence within the organization.  Since joining Esna, Mehdi has helped the company grow from a start up to the global supplier that it is today. He holds a Bachelor of Applied Science degree in Industrial Engineering from the University of Toronto.

Davide Petramala


Executive Vice President / Chief Evangelist

Davide joined Esna in 1993 and oversees all sales, professional services and business development for Esna worldwide. During Davide's tenure, revenue has grown over 200%, the customer base has expanded to 30 countries, and he has initiated and maintains strategic relationships with Google™, Cisco®, Avaya®, ShoreTe®l, VMware® and others. His over 20 years in unified communications and collaboration have given Davide deep understanding of how enterprises leverage communication software to improve productivity, reduce costs and foster greater collaboration. A frequent speaker and an active blogger, Davide brings real world examples to his audiences so they can learn new and innovative approaches to communicating and collaborating in today's dynamic workspace. Davide holds a Bachelor of Commerce degree from McGill University, majoring in International Business and Marketing.

Lee Ho


Vice President of Marketing

Lee comes to Esna with over 16 years of leadership experience as a strategist and product pioneer in marketing, business development, product management and change facilitation. Lee has an extensive background in the creation and implementation of long-term growth strategies for enterprise solution providers. He was previously the CMO for Knouen Technologies and their spin-off company LookAcross. At Knouen and LookAcross, Lee defined go-to-market plans, product direction and investment strategy. His professional experience includes executive management roles at software and technology companies including Muze Inc., Panorama Software, CompanyDNA, Brightspark Labs and BackWeb Technologies. Lee holds a Bachelor of Science in Marketing and Communication from the University of Colorado.

Arno Ermarkaryan


Director of Engineering

Arno joined Esna in 2002 in a Quality Control management role. As Director of Engineering he now directs the research and development and quality assurance departments for Esna. During his tenure, Arno has lead several projects to completion for several OEMs. Prior to joining Esna, Arno had gained over 11 years of messaging experience at Nortel Networks where he managed software development for the Call Pilot unified messaging system. Arno received his Bachelor of Engineering degree from the Cooper Union for the Advancement of Science and Art in New York City and a Master of Science Degree from Queen's University, majoring in Electrical Engineering. Arno has also received an MBA from York University.

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