Team Members

Midokura engineers bring extensive experience in scalable infrastructures and are a team of top talent from Google, Amazon, and world industry leaders. Network virtualization is in our DNA.


Abel Navarro

Software Engineer

Abel has a degree in Computer Science and has over 10 years of experience developing networking software. Nowadays tries to push unhealthy eating habits to the Barcelona team.


Adam Johnson

General Manager

Adam joined Midokura when it was just an idea and a tiny cramped office in Tokyo.  He has degrees in Computer Science and Mathematics.  He can usually be found in the US office gettin’ stuff done.  LinkedIn


Akane Matsuo

Senior Manager

Akane tries to do anything other than coding, but mostly works on biz dev and marketing analysis.  Akane graduated Univ. of Tokyo and holds MBA from MIT Sloan. Before starting her adventure at Midokura, she worked for NTT and A.T.Kearney.  For fun, she loves traveling, flower arrangement, and chitchatting.


Akhilesh Dhawan

Senior Product Marketing Manager

Akhilesh looks after anything Marketing for Midokura. He has more than 12 years of experience in software industry and has previously worked with Juniper Networks and VMware Inc. Akhilesh wants to travel the world and enjoys spending weekend with his family and playing cricket.


Alessandro D’Aquino

Frontend Developer

Alex worked as a Wed Developer for more than a decade now. He spent the last 7 years working as a freelance Frontend Engineer for various spanish cloud telephony companies, crafting code & UI’s of customer facing web apps of all kinds. Besides Web Development he has a strong background in graphic design, this is why he loves pixel perfect UI’s while also getting exited about writing clean code to bring them alive. In his spare time he tries to be a good Daddy to his little daughter, but he also enjoy’s watching good science fiction movies, doing research on the latest community trends. His main drivers are, passion and curiosity, he is also a strong believer in that most of the time “Imagination is more important than knowledge”.


Artem Dmytrenko

Software Engineer

I have been in the networking industry since graduating from University of Michigan. While at Cisco and Riverbed, I’ve worked on VoIP, virtualization, and Quality of Service technologies. In my personal time I enjoy traveling, outdoors, and auto racing. As part of Midokura team I’m excited to work on the future of networking.

Chris Calandro

Chris Calandro

Regional Sales Manager (West Coast)

Chris joins Midokura as the Regional Sales Manager for the Western US.  Before coming to Midokura, Chris was at Chelsio Communications selling unified networking and storage products to the HPC and enterprise verticals.  He was also actively involved with the Open Fabrics Alliance and the Ethernet Alliance. Prior to Chelsio, Chris was with AMD selling networking, storage and computing products to customers ranging from emerging accounts to large multinationals. Chris holds a degree in Electrical Engineering from Southern Methodist University.  When Chris is not in the office, you will find him hiking, camping, or listening to live music throughout the bay area.


Dan Conde

Director of Product

Dan Conde likes to work in system and infrastructure software and has previously worked at VMware,  Rendition Networks, NetIQ and Microsoft. Dan received his Computer Science degree from the University of California at Berkeley and an MBA from the Haas School of Business at UC Berkeley.


Dan Mihai Dumitriu

Co-Founder and CEO

Dan is a Computer Science graduate from Cornell University.  He is passionate about distributed systems, fault tolerance, and awesome systems software.  He started Midokura because he wants to revolutionize cloud infrastructure.

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Daniel Mellado

QA Engineer

Daniel has a background as a Telecom Engineer and has worked for big telcos such as Ericsson and Deutsche Telekom. He has been interested in NFV and SDN since participating in the EasyMobile project, together with Telekom Innovation Laboratories and Karlstad and Stanford Universities . Now he has joined Midokura to reinvent network architectures!. In his free time he enjoys playing bass and listening to music.


Duarte Nunes

Software Engineer

Duarte has joined Midokura in Barcelona to write fun and challenging software. He has a background in operating systems and concurrent programming. Although currently immersed in the wonders of functional programming, he still gets an unhealthy kick from writing lock-free algorithms. Duarte also knows Monty Python sketches by heart and hopes to find the time to finish Proust’s “À la recherche du temps perdu”.


Etsuko Kanetaka

Head of Human Resources

Etsuko was the first employee from the launch of Midokura. Throughout her career, she has been involved in startups from small to large companies. At Midokura she is in charge of global office operations.


Galo Navarro

Software Engineer

I graduated in Computer Science in Madrid 9 years ago and have a background as backend engineer mainly at and Tuenti, where I enjoyed solving scalability and architecture problems. I just finished a bachelor in Philosophy and can usually be found roaming the streets.


Giuseppe de Candia

VP of Engineering

I go by Pino since there are too many Giuseppe’s in Italy, where I lived for part of my childhood. I was Midokura’s first Barcelona employee and I’ve been working on the the company’s network controller software since I started. I have a background in distributed systems and have worked on group communication protocol stacks and distributed, non-relational storage solutions.


Guillermo Ontañon

Software Engineer

After 8 years as a Software Engineer working for different Spanish companies, Guillermo found in Midokura a great place to write networking and systems software. When he’s away from the computer he loves fine food and wine and going to music concerts.


Hugo Benichi

Software Engineer

Hugo joined Midokura’s Tokyo office after a previous life doing research in quantum optics.
How he jumped from quantum physics to distributed networking is a story to long to tell here, but now Hugo enjoys programming at Japan coolest startup company.
Besides computer programming, Hugo also loves photography, rock climbing and trekking.


Jaume Devesa

Test Automation Engineer

Prior to joining Midokura he worked as a Software Developer at StackOps Technologies where he build an OpenStack distribution focused on quick and personalized deployment and easy-to-use interface. He also worked at Abiquo developing their IaaS solutions, mainly at its networking module. He has been involved in some cloud based Open Source projects and collaborations.


Jim Lenox

VP of Sales

Jim joins Midokura after a 13 year career at VMware which included leading international sales and setting up field offices around the world. He loves working with our customers to virtualize their networks and help them achieve costs savings, performance and flexibility. Jim drives his motorcycle to the office when he’s not out with our customers.

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Joe Drumtra


Joe comes to us from an Atlanta based technology reseller that focused on best of breed technologies including: Aerohive, Palo Alto, and JNPR among others. Prior to that he worked as both a sales rep and a network engineer for in Scottsdale and Atlanta. Joe was born in Southern California but grew up in the greater Chicago area making him a long suffering fan of the Chicago Cubs/Bears. Is his off time Joe likes to do anything that gets him out of the house including: hiking, yoga, skiing and golf. Currently Joe is in the process of selling his car so he can come to San Francisco and truly enjoy the urban bicycle commuter / hipster lifestyle.


Joe Mills

Software Engineer

Joe holds a degree in Computer Science from the University of Washington.  Previously, Joe has worked at Cisco developing infrastructure for Cisco’s core routers. He is extremely excited to be in Tokyo contributing to the Midokura team. In his spare time, Joe enjoys reading, hiking, and learning Japanese.


Lucas Eznarriaga

QA Engineer

Before joining Midokura as a QA Engineer, Lucas was a Consultant Engineer at Altran Spain. Previously, he was a Research Assistant at Institute IMDEA Networks investigating in the field of wireless networks and Internet protocols. He received his degree in Telecommunications Engineering and an MSc in Telematics Engineering from Universidad Carlos III de Madrid (UC3M), Spain during the years of 2010 and 2011, respectively. In the year of 2010, he took on an internship funded by the European Erasmus Placement Program at the Deutsche Telekom Laboratories in Berlin, Germany, where he worked on an investigation team of the SoftToken protocol prototype implementation.


Mark Rogge


Before coming to Midokura, Mark was a patent attorney at Fay Sharpe in Cleveland. In addition to his law degree from Ohio State, he has a BS and Masters from Cornell, both in computer science. Mark has worked as a programmer at Lucent Technologies and at a small startup. He was also a submarine warfare officer in the United States Navy.


Masakazu Koyanagi

VP of Corporate Development

Koya majored in engineering but realized in classroom that he has almost no sense for programming :’( Then, he has been building his professional career in business/corporate development for various entrepreneurial projects. He loves playing with his chihuahua, Macaron, and enjoys contributing successfully to Midokura’s corporate development in US, Europe and Asia.


Michael Ford

Senior Support Engineer

Michael is a 10+ year veteran of the startup world that joined Midokura to solve the complex problems involved when dealing with customer facing, fast paced, highly technical distributed systems. With previous successful IPO’s under his belt, he brings a passion and background in a multitude of pubic/private cloud technologies, Linux system administration, and infrastructure management.  Also he has become an expert at starting as a technical facing team of one to building out a robust, industry leading technical support division.  When not working, you can find him at BBQ competitions, homebrewing beer, in his garden, or at a racetrack.


Peter Thiessen

Frontend Developer

Peter has been building Web apps for 7 years and is really excited to see what can be done in a Web browser. Usability, architecture, and performance are his main areas of interest and take up a majority of his time. He’s also part of the W3C where we define Web standards and best practices to help lead the Web to its full potential.

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Rocío Alfambra

Office Manager

As Office Manager this native Catalan brings to her position several years of administrative and business experience and has a passion for supporting the Midokura Barcelona Team and creating a great business environment. Cheerful and easy to talk to, Rocío is the go-to person for any and all office issues from purchasing, facilities, and HR assistance to organizing team building events and office parties. She enjoys, no, LOVES to dance – especially Salsa.


Ryu Ishimoto

Software Engineer

Ryu likes to mention that he is Midokura’s first Japanese engineer, but this claim has been often questioned by his colleagues as he has lived most of his life in the US.  He has over 10 years of experience as a software engineer.  His current responsibilities include developing Midokura’s core software and working with OpenStack projects.


Ryuichi Takashima

Systems Engineer

Before Midokura, I started my career as a network operator of telco’s ISP, and moved to networking product company as a pre-sales engineer. Now I’m very proud to be a first pre-sales SE in Midokura’s Tokyo office!

My mottoes.




Samir Ibradžić

Systems Engineer

Samir is a Titech Computer Science graduate and has been working for 5 years as a devop and systems architect in telecom company, where he had established a background in distributed & fault-tolerant systems, VoIP and virtualization. Samir is excited about finding Midokura to be a great place for tackling further challenges in networking and distributed systems. When away from work, he does outdoors, traveling and discovering the world’s cuisine. He enjoys the privilege of being one of the very few Bosnians living in Japan.


Stephen Wong

Senior Architect

Having spent his entire career after UCSD and Stanford working for networking companies such as Cisco, Juniper, and Huawei, Stephen believes it only makes sense that he should evolve with the networking industry. It is with this reason that he joined Midokura.


Takaaki Suzuki

Software Engineer

Suzuki was a Data Center customer DMZ IPv4/IPv6 network architect in Tokyo. He’s working on the customer technical support side. He enjoys playing volleyball and travelling on the weekends.


Takayuki Usui

Software Engineer

Takayuki finished his first master’s degree in Earth Physics at University of Tokyo, but found he was most comfortable as a software engineer and got second master’s degree in Computer Science at University of Oregon. Last few years, he was working on design and implementation of various online virtual world servers, and met Midokura while looking for further challenges in distributed systems.

He loves biking in beautiful weather and is hoping to spend as much time as possible on his road bike.


Taku Fukushima

Software Engineer

Taku was the first intern in Midokura. And now he is the first new grad employee. He majored in computer science and received a bachelor and master degree of engineering from Waseda University.


Tatsuya Kato

Co-Founder and Chairman

Went to Kyoto University with a dream of becoming an astronaut but end up pouring my passion into American Football. It paid off and were able to become Japanese Champion Team twice, and personally selected as All Japan Player.
Spend years in the IT industry, and decided that it was about time to start my own global technology company. Now, pouring my 120% passion into making Midokura be the No.1 company in the SDN industry!

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Thomas Arnold

Director of EMEA Sales

Thomas joins Midokura after a 12 year career at Cisco Systems where he was instrumental in building up unmatched sales growth in the Commercial sales segment across Europe. Before he has gained start-up experience twice for US-based hightech companies in networking and software solutions. During his career he sold solutions in Enterprise, Service Provider and Commercial accounts. He loves bringing business value to customers and partners in the way they adopt cloud networking leveraging advanced technology. Outside of work, Thomas is intent on improving his golf handicap, passionate about skiing, and is a certified skipper.


Tomoe Sugihara

Software Engineer

Tomoe has 10 years of experience in software R&D mainly on network storage devices prior to Midokura. Now he is having fun writing software to redefine networking.
He likes to play bass guitar with his funky friends.


Tomohiko Kimura

Software Engineer

Interests in linguistics, human learning process, and communication. Earned a master degree in computing science from Simon Fraser University in British Columbia, Canada with expertise in natural language processing and information retrieval. Worked as software engineer on a search team of the world’s best search engine. After 5 years of searching and organizing world’s information, started searching for a new challenge for my life, and met Midokura.

Spend my free time dancing salsa, or traveling the world searching for good alcohol, or simply listening to good music.


Yoshiaki Tamura

Software Engineer

Yoshi is proud to have the same name as the Green (Midori) Dinosaur from Super Mario series. He has a M.S. in Computer Systems Engineering from Northeastern University, and prior to joining Midokura, he spent six years at NTT labs as a researcher. He is most interested in designing and implementing system software, and is also passionate about user interface and usability.