With more than 30 years of experience in the marketing of processed tea and coffee products, Yasunori Uchimura brings extensive expertise in aligning high-quality manufacturing with the requirements of global brand owners. He oversees the introduction of products from both our group’s Japanese factories and our joint-venture facility in India to international markets.
By upholding advanced processing standards and embedding social responsibility into procurement and manufacturing practices, Mr. Uchimura is committed to strengthening and enhancing the brand value of our partners worldwide.
Amitava GhoshAmitava Ghosh, the fourth-generation leader of A. Tosh & Sons, brings over 35 years of hands-on experience in the global tea industry. He joined the family business in 1990 at the age of 18 and has since played a pivotal role in expanding its global footprint. Under his leadership, A. Tosh & Sons has grown significantly, exporting to over 60 countries and establishing a strong international presence.
A key milestone in his journey was the formation of ATIB, a joint venture with Japan’s S. Ishimitsu & Co. Ltd., which has further strengthened the company’s international collaborations.
Today, Amitava Ghosh is focused on the private label segment, supplying premium teabags to a discerning global clientele. His commitment to quality and innovation continues to position the company as a trusted name in the industry.
Beyond business, Amitava Ghosh is a passionate golfer. Whether rain or shine, he can often be found on the golf course, enjoying the game that brings him balance and inspiration.
Daisuke IshimitsuDaisuke Ishimitsu has extensive experience in overseas expansion and store operations, gained through his work with a major Japanese apparel company. This role provided him with deep expertise in global business development from an international perspective.
He went on to dedicate more than 15 years to human resources management, fostering the growth of diverse corporate cultures through talent development and organizational capability building.
Currently, Mr. Ishimitsu applies this experience to enhance corporate value at ATIB, our partner company. He is also engaged in initiatives to introduce tea to new international markets where it is not yet widely consumed, contributing both to ATIB’s growth and to the broader advancement of the tea industry.
Hiro NagatomiWith more than 30 years of experience in the food industry, Hiro Nagatomi has specialized in product development, quality assurance, and manufacturing processes. He now seeks to apply this expertise in collaboration with our Indian teams, with a particular focus on quality assurance and process management for tea products through the adoption of Japanese-style management standards.
Mr. Nagatomi believes that both life and factory management are like a marathon: success requires careful use of resources, steady pacing, resilience, and teamwork to achieve long-term goals.
Nithya SakthivelA Gold Medalist in Biotechnology from Bharathiar University, Nithya combines a strong technical foundation with a formal grounding in business and human resources — the result of her postgraduate and management education. This balance of precision and people-awareness shows in the way she operates: thorough, dependable, and grounded in detail as well as context.
She has been an integral part of the core team for over a decade and is a consistent, stabilizing presence across teams. Known for her sharp memory, comfort with numbers, and practical problem-solving, she brings an unassuming but unmistakable value.
Within the Company, she is widely regarded as the maître de — the one who keeps everybody together and ensures that things move when they need to. Trusted, reliable, and quietly effective, she is one of the Company’s most dependable hands.
Amit SarasanAmit’s career spans more than 25 years across FMCG, healthcare, KPO, and services — rarely in a straight line, but always marked by an instinct for adapting, learning, and delivering. This diversity has given him a perspective that balances commercial drive with operational depth, and execution with foresight.
Since joining the Company in 2017, he has contributed to its scale-up, played a role in the groundwork that preceded the joint venture, and supported its successful launch in 2019. He consistently brings new ideas to the table and serves as a sounding board for those originating from other stakeholders.
Within the Company, he is known for wearing multiple hats with ease—moving between sales, operations, procurement, and strategy—while grounding decisions in both detail and context.
Colleagues describe him as intuitive yet analytical, empathetic yet pragmatic. His ability to bridge people and ideas, cultures and functions, has made him one of the organization’s steady pillars and a trusted hand in shaping its continued growth.
Renugadevi A.Renuga began her journey with A. Tosh in 2012 as a Shipping Assistant after completing her post-graduation. With continuous support and encouragement from her seniors and co-workers, she gradually expanded her responsibilities to handle import and export operations, as well as banking functions such as inward and outward remittances, cash flow management, budgeting, and hedging.
In 2015, she took on the responsibility of managing all activities related to the company’s 100% Export Oriented Unit (EOU), including EOU-specific customs compliance. Today, along with her team, she oversees all import/export operations, EOU-related customs processes, and end-to-end banking and financial functions. Known for her steady leadership and strong domain expertise in finance, shipping, and EOU compliance, she plays a key role in ensuring seamless coordination across these critical functions.
Her journey from Junior Executive to leading the department has been both rewarding and inspiring, made possible by the consistent support and trust of the management and her team.
Aakanksha GhoshAakanksha Ghosh, 5th generation of A. Tosh & Sons India Limited oversees procurement of raw materials and packaging for ATIB’s private label teabag projects. With a BA in Business Management from RMIT Australia, she brings expertise to her role. Ms. Ghosh manages private label teabag projects for Japan.
Outside of work, Ms. Ghosh enjoys everything true crime and meeting with friends.