The Company & Team

ESGgen 9 About 9 The Company & Team

We are building the first of its kind accounting grade platform for non-financial data – think Quickbooks for ESG.

Our vision:

An economy that puts people and the planet first, and profit second – with every company and organisation playing its part.
No company should be left behind.

Our Mission:

By unlocking the value of ESG for SMEs and Startups we help the most innovative 50% of the economy get to work on solving the world’s most burning problems

esg social impact

Meet the Team

Daniel Jeczmien | Co-Founder and Chief Executive Officer
daniel jeczmienDaniel is a successful entrepreneur who recently exited after building it to become the UK’s leading rental deposit alternative, a rental fintech. During his time at flatfair Daniel built and managed the company’s day to day sales and operations, nurtured a team of nearly 70 employees with double digit million £ revenue per annum. During this time, the company had a number of successful funding rounds securing nearly $20m from the world’s most prominent venture capital firms such as Index Ventures, Adevinta and Revolt Ventures. Before that Daniel was a marketing consultant at Google and Criteo and holds a double major B.A. (Business and Marketing) from the IDC Herzliya University in Israel.


Dr Marc Lepere | Co-Founder and Chief Science Officer

Marc leads Executive Education on ESG & Sustainability at King’s Business School, King’s College London. Marc’s research is in Political Economy at King’s College London. He holds a PhD and a MSc from King’s College London, and is an Economics graduate of Trinity College, Dublin. He is a Fellow of the Higher Education Academy. Marc has published in leading journals including Stanford Social Innovation Review, the Financial Times and Discovering Truth (series 1) which was nominated for a Pulitzer Prize. Marc has served as Chief Marketing Officer, Havas Worldwide; Executive Vice President, McCann Erickson WorldGroup and Deputy Chairman, Dentsu (EMEA).


Andrew Winnicki | Co-Founder and Chief Technology Officer

andrew winnickiAndrew is a highly accomplished, results-oriented software engineer with over 20 years’ experience. He has spent the last 10 years leading, mentoring, developing and hiring hundreds of talented software engineers worldwide, delivering multimillion-dollar projects for brands such as NVIDIA & Discovery. He is a skilled engineer with proven expertise building modern web architectures and applications using JavaScript, including modern frameworks such as Vue, React, NodeJS. Andrew continuously expands his skills with the Institute for Management Development, and in 2021, he was nominated for an annual Chief Digital Officer award.


Nick Sachs | Director of Audit and Finance

nick sachsNick is a qualified chartered accountant and exam qualified CFA, who started his career at KPMG in South Africa as an Auditor. Moving to the UK he specialized in finance for startups, SMEs and venture capital working at companies such as BDO UK, Gresham House, Mileway and Punter Southall. He has over 8 years of finance experience and worked with a variety of different businesses running their finance functions, audits, managing teams and various projects. Before his career Nick studied accounting at the University of Stellenbosch in South Africa and holds an Honors degree.


Oksana Stowe | Advisory Chair
oksana-stoweOksana is an experienced venture and angel investor. She has led a number of early-stage deals and has been a board member at a number of successful startups, like Huboo, Skups and many more. She also worked at Goldman Sachs, Morgan Stanley and Moelis & Co within M&A investment banking and Oakley Capital where she advised fast-growing disruptors such as The Hut Group and Just Eat. She has a genuine passion for promoting ESG within the venture context and is an aspiring Japanese calligraphy artist.