About us
Built by practitioners, not just consultants.
SOSSNA STUDIOS brings together experience gained through working directly with startups, global enterprises, accelerator programs, universities, and public organizations. We understand the realities of international business because we’ve spent our careers building it.
10+
Years supporting Japanese startups
10+
Years supporting Japanese startups
20+
Industry Awards & Recognitions
20+
Industry Awards & Recognitions
B2B Tech
Deeptech, engineering & industrial sectors
B2B Tech
Deeptech, engineering & industrial sectors
EN / JP
Strategy, localization & communication
EN / JP
Strategy, localization & communication
Our team
Meet the dedicated professionals who make up our team
Adrian Sossna
Co-Founder
An international business development professional with over a decade of experience supporting Japanese technology startups in global expansion, commercialization, and open innovation. Adrian connects Japanese companies with international corporations, investors, research institutions, and startup support organizations to accelerate market entry and foster cross-border collaboration.
Key Achievements
Led open innovation initiatives and strategic partnerships with global organizations including Thales, Volkswagen Group, BMW Group, Infineon Technologies, Deutsche Bahn, and Hitachi Energy.
Supported numerous cross-border projects encompassing proof-of-concept (PoC) validation, joint development, commercialization, and international market expansion.
Built strong partnerships with startup ecosystems and accelerator programs across Singapore, Silicon Valley, Michigan, France, Germany, Austria, Taiwan, Mainland China, Hong Kong, and South Korea.
Helped Japanese startups gain international visibility through leading industry publications and research organizations, including Gartner, TechCrunch, and CB Insights, while supporting clients in receiving recognition through international startup competitions and awards.
Education & Research
MBA, Doshisha Business School, Doshisha University (Kyoto, Japan)
Authored a business case study adopted and published by Harvard Business Publishing as teaching material.
Studied international business at the Chinese University of Hong Kong (CUHK), Yonsei University, and Fudan University.
Adrian Sossna
Co-Founder
An international business development professional with over a decade of experience supporting Japanese technology startups in global expansion, commercialization, and open innovation. Adrian connects Japanese companies with international corporations, investors, research institutions, and startup support organizations to accelerate market entry and foster cross-border collaboration.
Key Achievements
Led open innovation initiatives and strategic partnerships with global organizations including Thales, Volkswagen Group, BMW Group, Infineon Technologies, Deutsche Bahn, and Hitachi Energy.
Supported numerous cross-border projects encompassing proof-of-concept (PoC) validation, joint development, commercialization, and international market expansion.
Built strong partnerships with startup ecosystems and accelerator programs across Singapore, Silicon Valley, Michigan, France, Germany, Austria, Taiwan, Mainland China, Hong Kong, and South Korea.
Helped Japanese startups gain international visibility through leading industry publications and research organizations, including Gartner, TechCrunch, and CB Insights, while supporting clients in receiving recognition through international startup competitions and awards.
Education & Research
MBA, Doshisha Business School, Doshisha University (Kyoto, Japan)
Authored a business case study adopted and published by Harvard Business Publishing as teaching material.
Studied international business at the Chinese University of Hong Kong (CUHK), Yonsei University, and Fudan University.
Masako Sossna
Co-Founder
A marketing and creative strategy professional with extensive experience driving business growth across both B2B and B2C markets. Masako partners with Japanese and international organizations to deliver integrated marketing strategies, creative direction, brand development, and end-to-end project execution.
Key Achievements
Led Japan market marketing initiatives, exhibitions, digital marketing campaigns, public relations, and content localization for global companies including Honeywell and Vertiv.
As Creative Director at I-ne Inc., led the product development and integrated marketing strategy for the SALONIA hair styling brand, contributing to its position as one of Japan’s leading brands and its recognition with the Good Design Award.
Managed creative and marketing projects for clients ranging from global enterprises to SMEs, overseeing strategy, web design, advertising, promotional campaigns, and creative direction from concept through execution.
Awards & Recognition
Recipient of multiple Good Design Awards.
Contributed to projects recognized by international web design awards.
Played a key role in expanding the market share of the SALONIA hair styling product series, helping establish it as one of Japan’s market-leading brands.
Masako Sossna
Co-Founder
A marketing and creative strategy professional with extensive experience driving business growth across both B2B and B2C markets. Masako partners with Japanese and international organizations to deliver integrated marketing strategies, creative direction, brand development, and end-to-end project execution.
Key Achievements
Led Japan market marketing initiatives, exhibitions, digital marketing campaigns, public relations, and content localization for global companies including Honeywell and Vertiv.
As Creative Director at I-ne Inc., led the product development and integrated marketing strategy for the SALONIA hair styling brand, contributing to its position as one of Japan’s leading brands and its recognition with the Good Design Award.
Managed creative and marketing projects for clients ranging from global enterprises to SMEs, overseeing strategy, web design, advertising, promotional campaigns, and creative direction from concept through execution.
Awards & Recognition
Recipient of multiple Good Design Awards.
Contributed to projects recognized by international web design awards.
Played a key role in expanding the market share of the SALONIA hair styling product series, helping establish it as one of Japan’s market-leading brands.
Your bridge between Japan and the world.
We help startups, technology companies, and public organizations transform ambitious ideas into international opportunities through strategy, branding, and cross-border business development.
Your bridge between Japan and the world.
We help startups, technology companies, and public organizations transform ambitious ideas into international opportunities through strategy, branding, and cross-border business development.