General Management Team

Harri Koponen

Harri Koponen,

Chief Executive Officer

Harri brings extensive experience from the technology sector to SSH Communications Security together with strong skills in operations, sales, and in leading companies and organizations.

Prior to joining the company, Harri was the CEO of NPTV, a cloud-based interactive TV software company, board member at Stonesoft (a security software company that was acquired by McAfee), and prior to that the COO of Rovio Entertainment, creating the global merchandising and licensing business of their Angry Birds brand.

Harri has a vast global network in industry and government having been President and CEO of three major telecommunications companies, Sonera (Finland), Wataniya (Kuwait), and Tele2 (Sweden). He has also lived in the United States for several years as Managing Director of Sony Ericsson (North and Central America) and Head of Ericsson Consumer Products Division for North America. Prior to that, he worked as a global account executive for AirTouch, Vodafone, and Sonera at Ericsson, and in the early 1990s ran HP's telecom sales in Finland and globally for Sonera.

Harri holds an eMBA from the University of Helsinki and has Dr. Econ (h.c.) from the University of Jyväskylä.

Tatu Ylönen

Tatu Ylönen,

Chief Innovation Officer

While working as a researcher at Helsinki University of Technology, Tatu Ylönen began working on a solution to combat a password-sniffing attack that targeted the university's networks. What resulted was the development of the Secure Shell (SSH), a security technology that would quickly replace vulnerable rlogin, TELNET, and rsh protocols as the gold-standard for data-in-transit security.

Tatu has been a key driver in the emergence of security technology including SSH & SFTP protocols and co-author of globally recognized IETF standards. He has been with SSH Communications Security since its inception in 1995 holding various roles including CEO and CTO and as a Board Member.

In October 2011, Tatu returned as the Chief Executive Officer of SSH Communications Security, bringing his exceptional experience as a security innovator to the company's product line. In October 2014, he changed to the role of Chief Innovation Officer in order to be able to focus more on the technology-side of the business. In this role, he is responsible for selected new product concepts, the company's intellectual property development, and various other strategic initiatives.

Tatu holds a Master of Science degree from Aalto University, Finland.


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Matthew McKenna

Matthew McKenna,

Chief Operating Officer

Matthew brings over 10 years of high technology sales, marketing and management experience to SSH Communications Security and is responsible for all revenue-generating operations. His expertise in strategically delivering technology solutions that anticipate the marketplace has helped the company become a market leader.

Prior to joining the company, Matthew served as a member of the executive management team of Automaster Oyj which was successfully acquired by ADP Dealer Services Nordic. Before this, Matthew played professional soccer in Germany and Finland.

Matthew holds a BA in German from the University of South Carolina and an MBA from the Helsinki School of Economics and Business Administration.

Jyrki Lalla

Jyrki Lalla,

Chief Financial Officer

Jyrki is responsible for financial management, treasury, human resources, corporate development and corporate governance. He also acts as secretary to the board of directors.

Prior to joining the company in February 2012, Jyrki held several senior financial management positions at Nokia Corporation and Nokia Siemens Networks in Finland, Italy, Great Britain and Germany.

Jyrki has headed finance and control for global software and service businesses in Europe, Middle-East and Africa. He has gained extensive experience in ramping up international operations in high growth organizations with specific responsibilities for functional areas such as acquisitions, divestments, outsourcing and mergers.

Jyrki has a Master of Science degree from Turku School of Economics and Business Administration, Finland and further studies in finance from Hanken School of Economics.

Antti Huima

Antti Huima,

CTO & Vice President, Engineering

Antti heads the company’s global R&D and directs the company’s technology strategy. He has nearly twenty years of experience in the software industry with extensive experience in information security, cryptography, software quality assurance and theoretical computer science. Prior to joining the company, Antti served as CEO at Conformiq, a Silicon Valley based software test design automation company.

Before joining Confmiq, Antti was Research Manager at SSH Communications Security leading contribution to the software architecture.  Antti has lectured cryptography, computer security, and theory of testing on university level and has served several academic program committees.

Antti has a Master of Science degree from Aalto University, Finland.

Kalle Jääskeläinen

Kalle Jääskeläinen,

Vice President, Product Management and Services

Kalle has over ten years of experience in information security services, R&D and product management. His technical background and customer facing experience creates an ideal combination for understanding the market and customers’ challenges. In his current role as Vice President of Product Management and Services he is responsible for delivering high performance solutions and services that enable customers to protect their data.

Kalle received his Bachelor of Science from the Vantaa Institute of Technology, Finland where he specialized in Telecommunication and Computer networks and carries a CISSP certification.

Sami Ahvenniemi

Sami Ahvenniemi,

CEO, Americas

Sami heads the company’s operations across the Americas. A seasoned business executive and former venture capitalist, Sami brings over 15 years of experience leading high technology companies as CEO, board member and investor. Prior to joining the company, Sami was a partner and co-founder at Conor Venture Partners where he led investments into and served on the board of number of leading technology companies including Neo Technology, Sensinode and Behaviometrics. Prior to that Sami held a number of executive level positions in sales and product management at SSH Communications Security and was the founding CEO of the company’s Americas division.

Sami has a Master of Science degree in Industrial Engineering and Management from Aalto University.

Mika Lauhde

Mika Lauhde,

Vice President, Government Relations and Business Development

Mika is responsible for Government Relations and Business Development. Prior to joining SSH Communications Security, Mika headed the Business Security and Continuity in Nokia Corporation where he was responsible for government relations in the IT security space.

Mika has extensive experience in security related topics and governmental institutions both in Europe and the USA. Currently, he is a member of ENISA (European Network and Information Security Agency) Permanent Stakeholder Group, the European Cyber Security Research Center, and the Finnish Government Cyber Security working group.

Mika received his Bachelor of Science in Automation and Graphical Industry from the Vantaa Institute of Technology, Finland, and has a Master of Engineering degree in Electronics from Hochschule Osnabrück, Germany.

Erkki Yli-Juuti

Erkki Yli-Juuti,

Vice President, Intellectual Property

Erkki's role involves overseeing the company's considerable intellectual property portfolio and its related management policies. He brings to this role extensive experience in the areas of patent portfolio strategy and intellectual property licensing.

Erkki previously held responsibility for product roadmap, standardization strategy and IPR at mobile company Renesas Mobile, now wholly owned by Broadcom Communications, a manufacturer of networking and communications ICs for data, voice, and video applications. Erkki is also an alumnus of Nokia, where he held various positions in IPR and strategic management.

Erkki has a Master of Science degree in Applied Physics and a Licentiate in Applied Mathematics from Aalto University, Finland.

Senior Management

Samuli Siltanen

Samuli Siltanen,

Vice President, EMEA

Samuli serves as Vice President, EMEA and is responsible for sales, business development and channel operations for the region. Samuli has over 15 years of experience working for fast paced information technology companies in both R&D and sales management capacities. Prior to joining SSH, he was the co-founder and CEO of Siltanet, a pioneer in next-generation two-factor authentication solutions. In 2010, SSH Communications Security acquired Siltanet’s mobile authentication business unit and appointed Samuli as head of its newly formed mobile authentication business unit. Since joining the company, Samuli has held several positions with increasing responsibility and has successfully sold into major enterprise customers throughout EMEA.

Samuli holds a Master of Science degree in Computer Science from Aalto University, School of Science, Finland.

Tommi Lampila

Tommi Lampila,

Vice President, APAC

Tommi serves as Vice President, APAC and is responsible for sales, business development and channel operations for the region. During his 12 years at the company, Tommi has worked as a product manager for multiple network encryption, authentication, and security management solutions. Prior to SSH Communications Security, Tommi was an Information Management Engineer at Rautaruukki, a large Finnish steel corporation.

He has an masters degree in engineering from the Tampere University of Technology, Finland and carries a CISSP certification.