OUR TEAM
Jonathan Grange
Partner
Jonathan Grange has extensive commodity trading experience mainly in Agriculture and specifically Oilseeds & Vegetable oils. He learnt to trade with LDC in Paris in the 80’s and was head of softseeds & vegoils for Andre, Switzerland in the 90’s.
In 2001 he started an IT company in India and then spent time in Ukraine farming. He has worked as a cash broker since 2011 starting the Oilseeds department for a Swiss grain broker.
In early 2016 he started Sunstone Brokers with Sergiy. The company tries to deliver comprehensive market understanding, integrity, innovation whilst being a sounding board for clients. A great believer in fundamental analysis and the impact of macroeconomics on commodity price he writes irregular, slightly quirky, sometimes politically incorrect market reports.
Sergiy Repetskiy
Partner
Sergiy qualified as an avionic engineer, spending 10 years service in the Ukraine Air Force. With a PhD in risk management, he started a carrier with Marubeni Corporation, trading ferroalloys, non-ferrous metals, milk powder and chemicals in Ukraine.
After an MBA in 2007, he joined Glencore as asset and project manager in agribusiness and was responsible for M&A, development of new projects and farming business. Sergiy was working with Bunge from 2012 as Deputy oilseeds crush and Director responsible from origination to crush of sunflower seeds.
He has extensive experience in trading of sunflower, soybean oil and meals. Sergiy has an extensive network with the biggest oilseeds growers, crushers and refiners from Ukraine and Russia.
Ermir Sadikoglu
Ermir worked in textile sales while studying at university. After graduation in 2007 he joined Bunge Turkey becoming supervisor for oils & oilseeds execution and sales manager for refined oils. In 2011 he and 3 colleagues joined Tiryaki Agro to create the Oilseeds and feedstuffs department. 2 years later Bunge tempted him back as Soya bean and feedstuffs trader.
In early 2015 he joined Actava Trading Istanbul as a Commodity broker specialising in oilseeds and feedstuffs. In October 2016 he joined Sunstone to open a new Istanbul office for the company to develop Oilseeds and Vegoil trading but will surely be looking into feedstuffs as well.
M: +90 533 556 7444
Osmancan Cubuk
Osmancan, born and raised in Izmir-Turkey, moved to Istanbul for University where he studied Economics. Started his professional life in Athens as a Dry Cargo Shipbroker while attending ICS program there in 2010. He returned to Istanbul to start working as a Trade Specialist at Arkas Line, managing container vessels.
In 2013 joined Tiryaki Agro Pulse desk as Trader handling all processed pulse products until moving to Agrozan DMCC in 2016 to Dubai. Managed all Eti Maden mineral exports to African continent as a Trader in Vunani Resources in 2018 before joining Sunstone Brokers.
M: +90 530 310 0908
Jocelyn Gallet
Jocelyn started his commodity career in 2010 as a cash broker. He initially worked with containers to Far East destinations but very shortly after he assisted Jonathan with starting the oilseeds department for a Swiss grain broker. He has worked with vegoils, oilseeds and feedstuffs throughout the years and has a solid knowledge of physical markets.
He joined SSB in 2019 looking after the Mediterranean destinations business as well as developing the feedstuffs desk. He speaks English, French & Spanish.
M: +41 79 124 69 03
Yuliya Repetskya
Yuliya stared to work as an analyst in foreign trade in consulting company in Ukraine, then worked as specialist in logistic and procurement in cosmetic and household goods company. From 2004 to 2011 she was in charge for procurement of different commodities categories for Nestle Ukraine like sugar, milk products, nuts, fats.Next 3 year she was Head of new product development in Nestle Ukraine.
Yuliya develops our wheat bran and protein meal business from Black sea, Baltic and participate in consulting projects on vegetable oil market.
M: +41 76 566 13 34
Sayed Elmeslemany
After graduation in 2000, Sayed joined a large Egyptian miller to learn the business for 8 years. He then worked as a trader in Egypt for 4 years. He has been a grains and oilseeds broker since 2011.
He worked in Dubai for six years following the Egypt market; he then returned home and has been a specialist in grains, oilseeds, meals and vegoils. He joined Sunstone in 2023.
sayed@sunstonebrokers.com
M: +20 100 700 7063
Riveocean
Operations are followed by Riveocean Commodities Services Sarl based in Lausanne.Riveocean provide extensive support and services to the trade by monitoring the operations for the account of their partners.
Monique Fremy (co founder) is a former employee of Louis Dreyfus Company where she spent most of her career (1984-2007) in the trade execution before founding Riveocean 12 years ago.
Alexandra Douesnard, is employed by Riveocean Commodities Services Sarl, as Assistant for Trade Execution.