Investment Management team
Proof of our delivery during a global pandemic
The investment team’s proven record includes successful delivery through Covid restrictions, during which it developed its largest plant to date – Uttar Pradesh I in Northern India. Our investment model utilises local on-the-ground expertise combined with the resources and backing of a global organisation.


Investment team
As established leaders in the field of Asian sustainable energy infrastructure, our strong and stable investment team has a demonstrable track-record of more than 10 years in achieving its triple return of positive financial, environmental and social outcomes.

Key team members
As dedicated impact asset managers we are entirely focused on delivering our triple returns for clients. Our infrastructure investment committee is supported by a broader team of experienced investment and energy infrastructure professionals.
- 10 dedicated infrastructure specialists
- Comprising of investment and energy infrastructure professionals
- Average of 25 years of experience
Our team also draws on additional resources and subject matter experts through our:
- ESG Monitoring and Stewardship Committee
- Market Risk Committee

Michael Sieg
Chief Executive Officer
- Established ThomasLloyd in 2003
- Led the group’s first investment in a cleantech investment banking firm in 2005
- Stewarded the firm to become a dedicated global impact asset manager
- Involved in all phases of ThomasLloyd’s development
- Chair of the infrastructure investment committee

Nandita Sahgal Tully
Managing Director, Head of M&A and Project Finance
- 24 years’ emerging markets experience working in equity capital markets and M&A
- Previously Chief Executive Officer at IL&FS Global Financial Services (UK)
- Involved in the Group’s first investment into renewable energy in India in 2018
- Responsible for the Group’s investments in the Indian subcontinent
- A member of the infrastructure investment committee
“With more than a decade’s experience investing in sustainable energy infrastructure markets in Asia, we are well-placed to convert this global challenge into a highly compelling opportunity, delivering our innovative triple return in the process.”