Innovating stewardship. Driving real change.

Mais leads the strategic vision and development of Impactives' innovative stewardship solutions. With 20 years of experience, Mais spends much of her time developing relationships with the financial world, understanding client needs and regularly speaks at industry events on sustainable investing. ​

Outside work, Mais enjoys quality time with her family and friends, travelling and all things art and design.

Brook has extensive experience leading marketing and growth for major brands, agencies, start-ups, and scale-ups across various sectors. Her time running CSR programs at a FTSE100 company gave her deep insight into ESG regulations and reporting, aligning with Impactive customers’ values of making a positive impact. She has held leadership roles as Strategy Director, Managing Director, and Head of Growth, believing marketing’s role is to create value and trust in relationships. At Impactive, Brook drives growth and innovation, leveraging her expertise to shape our marketing vision and ensure client success.

Justin brings extensive investment and ESG expertise to Impactive. He is a Senior ESG Analyst at Balyasny Asset Management, focusing on ESG research and themes. Previously, he held key roles at Carmignac, J.P. Morgan, and Fidelity International, where he integrated ESG data into investment analysis and developed sustainable investment processes. Justin holds a Master’s in Electrical & Electronics Engineering from the University of Sheffield and has been a CFA Charterholder since 2012.

​As the tech brain behind Impactive, Simon is a passionate technologist and architect dedicated to building innovative solutions. With over 25 years in fintech, he has led major transformation programmes for top-tier banks, including HSBC, Lloyds, and Worldpay. Before Impactive, he spearheaded the development of IPF, a low-code, open-source payments platform at Icon Solutions. Always learning, he stays up to date through articles, podcasts, and industry thought leaders. Outside of work, he loves the great outdoors and adventures with his wife and young family.

Paul is a leading figure in responsible investment and stewardship. Currently Head of Stewardship & Sustainable Investment Strategy at Redington, he has held senior roles at Aberdeen Asset Management, Hermes, and the NAPF. Paul has been a driving force behind key initiatives with influential industry bodies like PRI and IIGCC, advising global companies, regulators, and legislators on best practices in stewardship. His career is defined by his leadership and expertise in advancing sustainable investment and corporate governance.

Karolina advises Impactive on strategy and growth, with extensive experience mentoring start-up founders globally. As founder of She Leads Company, she champions female entrepreneurs. A seasoned energy professional, Karolina has held senior roles in Fortune 500 companies and co-founded StarBeam Capital in 2022 to support the energy transition and female-led ventures.

Simon brings 30+ years of fintech and enterprise growth expertise. He’s led sales and operational roles at major firms such as IBM, Misys, FIS, Icon solutions and Token. As COO, he’ll help us scale, streamline operations, and drive client success. Outside of work, he serves as a director for a local non-profit supporting homeless men in rebuilding their lives. He loves cycling through the South Cotswolds and is finally enjoying Aston Villa’s recent rise in form after years of anguish!

​Nawar is a hugely influential thought leader in sustainable investment, bringing deep expertise to Impactive. He is the founder and CEO of Kanata Advisors and has held senior ESG roles at Canada Post Pension Plan, NEI Investments, and ScopeFour Capital. A CFA in Climate and ESG Investing, Nawar is also the author of five books, a LinkedIn Top Voice on corporate sustainability, and a regular contributor to podcasts and the financial press. His work continues to shape the future of ESG investing and impact.