Sonali Aggarwal

Principal

Sonali Aggarwal is a Principal at Ara and is involved with all aspects of the firm’s private equity investment process.

Before joining Ara, Sonali was a Senior Vice President at H.I.G. Capital. She brings over 10 years of extensive experience managing deal flow, leading due diligence, and driving value creation. To date, she’s helped close over 10 transactions in the industrial, consumer, healthcare, and business services sectors. She served as a board member for KM2 Solutions, Town & Country, Pegasus Home Fashions, and Hart & Cooley. Sonali previously held roles at Blue Point Capital Partners and Fortress Investment Group.

She holds a Bachelor of Science from the NYU Stern School of Business and an MBA from Wharton.

Annabelle Berkman

Human Resources Business Partner

Annabelle Berkman is a seasoned Human Resources Business Partner with over 10 years of experience supporting mission-driven and high-growth organizations. She began her career at The Bridgespan Group, a Boston-based nonprofit consulting firm, where she developed a strong foundation in people operations and organizational effectiveness. Since then, Annabelle has led HR teams at early-stage start-ups, helping them scale and build sustainable, people-first cultures.

Most recently, she served as the HR leader at 24M Technologies, a Cambridge-based battery technology company, where she guided the organization through a period of rapid global expansion—growing from 40 to over 230 employees. Annabelle specializes in identifying and closing gaps across the employee lifecycle, and she partners closely with leadership and employees to implement the right processes and structures to support operational success and employee engagement.

Sinéad Doherty

Executive Assistant and Office Manager

Sinéad is Executive Assistant and Office Manager in the Dublin office. Prior to joining Ara Partners, she worked as an operations office manager and c-suite executive with Millennium Management, a global alternative investment management firm and managed the official opening of their Dublin office. She has a lengthy career in high level administrative experience adaptable across various sectors including Technology, Financial Services, Real Estate, Legal, Insurance, and Philanthropic. She has gained extensive experience in operations office management, C-suite and board level executive assistance, managing office and facilities projects and operational systems.

Onur Goker

Managing Director

Onur has a background in structured credit and private equity, with significant experience leading large-scale investments in sustainable infrastructure and renewable energy in both developed and emerging markets. Most recently, he was a Managing Director at Anthelion Capital (formerly Cowen Sustainable Investments), where he led the sourcing and execution of deals for a $1.3 billion cross-asset fund focused on sustainability and the circular economy.

His expertise spans industries including clean energy and storage, energy efficiency, electric transportation, industrial efficiency, data centers, waste management, water, and sustainable food production. Onur has closed numerous deals, including significant investments in solar, wind, and waste-to-energy sectors.

Previously, he held senior roles at IFC Asset Management Company’s Global Infrastructure Fund and Deutsche Bank’s Principal Investments Group, where he led debt and equity investments in energy, infrastructure, and illiquid assets. Onur joined Anthelion and IFC AMC’s Global Infrastructure Fund before their first close and was intimately involved in fundraising.

At Anthelion, Onur systematically developed a data-driven origination network, covering over 800 investment bankers and encompassing more than 5,000 private companies. Over the past five years, Onur evaluated 900 companies and issued term sheets for 60, resulting in 10 closed deals.

David Van der Linden

Director, APEX

David van der Linden is a Director in the Project Execution and Operations team. Most recently, David was the Vice President for Capital Projects with Genera Inc, an Ara Partners portfolio company.

He has over 30 years of broad international project experience in infrastructure, refining, petrochemical, mining and medical device industries. David has a Bachelor of Mechanical Engineering (Hons) from Monash University, Australia.