Meet the team
Stonepeak has assembled an exemplary team of investment and non-investment professionals, including a group of highly-experienced Operating Partners and Senior Advisors. Our senior leadership has deep asset class expertise and significant experience systematically analyzing and investing in companies across our target sectors.
Executive committee

Michael Dorrell
- Chairman
CEO & Co-Founder

Michael Dorrell
- Chairman
CEO & Co-Founder
Michael is the Chairman, CEO and Co-Founder of Stonepeak and is a member of the Stonepeak Executive Committee. He has been deeply involved in all phases of the firm’s development since its founding in 2011. Today, Michael directs Stonepeak’s strategy and investment decisions, and oversees the firm’s continued expansion into new regions and product areas.
Michael has more than twenty years of experience investing in infrastructure. A longer-tenured investor in a relatively young and still maturing asset class, Michael has been a leader in infrastructure investing, successfully deploying capital across the entire landscape through economic cycles.
Prior to forming Stonepeak, Michael was a Senior Managing Director in Private Equity and Co-Head of the Infrastructure Investment group at Blackstone. Before Blackstone, Michael worked for over a decade at Macquarie, where he started his career, first in Australia and later in New York where he took on roles of increasing responsibility within the firm and ultimately held the title of Senior Managing Director.
Michael received a Bachelor of Laws and a Bachelor of Commerce, both from the University of New South Wales in Sydney.

Jack Howell
- Co-President

Jack Howell
- Co-President
Jack is Co-President of Stonepeak, a member of the Stonepeak Executive Committee, and a member of all of the firm’s investment committees. In this role, Jack shares broad responsibilities across investing and the firm’s day-to-day business. Prior to joining Stonepeak, Jack worked for Davidson Kempner Capital Management, a hedge fund that focuses on distressed debt and merger arbitrage. Prior to Davidson Kempner, Jack worked for Denham Capital and Credit Suisse. Jack also serves on the board of King Ranch, Inc and Texas Children’s Hospital.
Jack received a Bachelor of Arts in Plan II Honors and a Bachelor of Arts in Economics (Business Economics Program), Phi Beta Kappa, from the University of Texas at Austin.

Luke Taylor
- Co-President

Luke Taylor
- Co-President
Luke is Co-President of Stonepeak, a member of the Stonepeak Executive Committee, and a member of all of the firm’s investment committees. In these roles, Luke shares broad responsibilities across investing and management of the firm’s day-to-day business. Luke has been investing across the infrastructure space for more than 20 years. Prior to joining Stonepeak, Luke was with Macquarie Capital based in New York, where he spent 10 years investing in a variety of sectors.
Luke received a Bachelor of Commerce and a Master of Business (Distinction) from the University of Otago (New Zealand).

Hajir Naghdy
- Senior Managing Director
Head of Asia and Middle East

Hajir Naghdy
- Senior Managing Director
Head of Asia and Middle East
Hajir is a Senior Managing Director with Stonepeak and is Head of Asia and the Middle East as well as a member of the Stonepeak Executive Committee. Prior to Stonepeak, Hajir was at Macquarie Capital for nineteen years. Hajir started with Macquarie in Sydney in 1999 and moved to Korea in 2000, as a founding member of the team that established Macquarie’s first infrastructure funds management business in Asia. Hajir played a leading role in twelve of the first fourteen investments made by the Macquarie Korean Infrastructure Fund between 2002 and 2005. Hajir has played numerous roles across Asia and the Middle East in Macquarie’s infrastructure business. Most recently, prior to joining Stonepeak, Hajir was Head of Macquarie Capital in Asia and the Middle East. In this role, he led and established Macquarie Capital’s renewable energy investing business in the region.
Hajir received a Bachelor of Mathematics and Bachelor of Laws from the University of Wollongong in New South Wales, Australia.
Company Directory
Miguel Sanchez Calero
- Operating Partner
- Senior Advisors & Operating Partners
Miguel is an Operating Partner with Stonepeak, supporting initiatives in renewable energy infrastructure, specifically offshore wind. Over the course of his career Miguel has held leadership roles in project development and contracting for more than 3.6 GW in renewable energy capacity, spanning both onshore and offshore wind projects across Europe, the US, and South America.
Miguel previously served as Deputy CEO at Vineyard Wind Offshore Wind Project, where he oversaw project operations, reporting to the Vineyard Wind CEO and Board Executive Members. Prior to Vineyard Wind, he was Senior Director of EPC at Park City and Commonwealth Wind Offshore Wind Projects, managing the Grid Interconnection (Permitting, Engineering and Procurement) for a combined 2 GW of offshore wind capacity. Earlier in his career, Miguel was Senior Project Delivery Manager Offshore and Onshore Grid Transmission (OFTO) at Scottish Power Renewables for 350MW of offshore wind capacity, overseeing a team of 100+ on the development, installation, and commissioning of critical offshore and onshore grid infrastructure.
Miguel received a PhD and MSc in Engineering from the Polytechnic University of Madrid, an MSc in Industrial Engineering from the Pontifical University (Madrid), and an MSc in Agronomic Engineering – Economist Specialty from the Polytechnic University (Madrid). He also earned an MBA in Energy Management from Nebrija University and holds certifications in Financial Markets from Yale School of Management, Project Planning and Management from the University of Virginia Darden School of Business, and Leadership and Management from Harvard’s Division of Continuing Education.