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Sookhyun Ryu Email & Phone Number

Director Software Engineer at RealNetworks | VoIP, Telecommunication Network, Media Server at RealNetworks
Location: Rhein-Neckar Metropolitan Region, Germany, Germany 4 work roles 2 schools
1 work email found @realnetworks.com LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 86%

Contact Signals · 1 work email

Work email b****@realnetworks.com
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Current company
Role
Director Software Engineer at RealNetworks | VoIP, Telecommunication Network, Media Server
Location
Rhein-Neckar Metropolitan Region, Germany, Germany
Company size

Who is Sookhyun Ryu? Overview

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Quick answer

Sookhyun Ryu is listed as Director Software Engineer at RealNetworks | VoIP, Telecommunication Network, Media Server at RealNetworks, a company with 660 employees, based in Rhein-Neckar Metropolitan Region, Germany, Germany. AeroLeads shows a work email signal at realnetworks.com and a matched LinkedIn profile for Sookhyun Ryu.

Sookhyun Ryu previously worked as Director Software Engineer at Realnetworks and Senior Software Engineer at Tmaxsoft Inc.. Sookhyun Ryu holds Master Of Science - Ms, Computer Science And Engineering, Magna Cum Laude, Gpa: 3.81 / 4.3 (German Scaled Score: 1.4) from Pohang University Of Science And Technology.

Company email context

Email format at RealNetworks

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*@realnetworks.com
71% confidence

AeroLeads found 1 current-domain work email signal for Sookhyun Ryu. Compare company email patterns before reaching out.

Profile bio

About Sookhyun Ryu

- Proven software engineer specializing in backend media servers and SIP-based modules on the telecommunication network. - Experienced with numerous programming languages and frameworks.- Experienced with all stages of the development cycle.- Site support for media servers and networks. - Have a can-do attitude.

Current workplace

Sookhyun Ryu's current company

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RealNetworks
Realnetworks
Director Software Engineer at RealNetworks | VoIP, Telecommunication Network, Media Server
seattle, washington, united states
Employees
660
AeroLeads page
4 roles

Sookhyun Ryu work experience

A career timeline built from the work history available for this profile.

Director Software Engineer

Current

Seoul, South Korea

  • Completed detailed programming and development tasks for front-end SIP protocol-based controllers, load balancers as well as challenging customized media back-end server code using C, C++ and JAVA with Spring framework.
  • Designed and coded SIP applications based on business logic.
  • Retrieved packet frames using FFmpeg demux functions.
  • Designed and implemented the RTP scheduler and channels.
  • Programmed RTP Packetizer to send a media payload such as G.711, AMR-NB, AMR-WB, EVS and H.264.
  • Re-designed and rewrote parsers to support customized MSML and VoiceXML.
Mar 2010 - Present

Senior Software Engineer

Seongnam, Gyeonggi, South Korea

  • Rehosted for migration a Fujitsu mainframe to a linux-based openframe emulator.
Mar 2009 - Mar 2010

Senior Software Engineer

Seoul, South Korea

  • Surveyed and implemented the Video Share Application using IMS library which was based on Qualcomm MSM6260 and 6280.
  • Implemented and ported streaming protocols into mobile phones based on Intel and Qualcomm chip.
Mar 2006 - Apr 2008

Junior Research Engineer

Seoul, South Korea

  • Developed VOD protocols (RTSP, RTP and RTCP) and ported them into mobile phones.
  • Designed and implemented Video Telephony Protocols such as H.323 and 3G-324M.
Jul 2001 - Jan 2006
Team & coworkers

Colleagues at RealNetworks

Other employees you can reach at realnetworks.com. View company contacts for 660 employees →

2 education records

Sookhyun Ryu education

Bachelor Of Science - Bs, Computer Engineering, Summa Cum Laude, Gpa: 4.03 / 4.5 (German Scaled Score: 1.4)

FAQ

Frequently asked questions about Sookhyun Ryu

Quick answers generated from the profile data available on this page.

What company does Sookhyun Ryu work for?

Sookhyun Ryu works for RealNetworks.

What is Sookhyun Ryu's role at RealNetworks?

Sookhyun Ryu is listed as Director Software Engineer at RealNetworks | VoIP, Telecommunication Network, Media Server at RealNetworks.

What is Sookhyun Ryu's email address?

AeroLeads has found 1 work email signal at @realnetworks.com for Sookhyun Ryu at RealNetworks.

Where is Sookhyun Ryu based?

Sookhyun Ryu is based in Rhein-Neckar Metropolitan Region, Germany, Germany while working with RealNetworks.

What companies has Sookhyun Ryu worked for?

Sookhyun Ryu has worked for Realnetworks, Tmaxsoft Inc., Pantech, and Lg Electronics.

Who are Sookhyun Ryu's colleagues at RealNetworks?

Sookhyun Ryu's colleagues at RealNetworks include Milko Boic, Ivan Krešo, Bill Ballard, Stephanie Hockett, and Marta Valenta.

How can I contact Sookhyun Ryu?

You can use AeroLeads to view verified contact signals for Sookhyun Ryu at RealNetworks, including work email, phone, and LinkedIn data when available.

What schools did Sookhyun Ryu attend?

Sookhyun Ryu holds Master Of Science - Ms, Computer Science And Engineering, Magna Cum Laude, Gpa: 3.81 / 4.3 (German Scaled Score: 1.4) from Pohang University Of Science And Technology.

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