AJ Bell has appointed three senior investment professionals to strengthen its Investments team across strategy, research, and portfolio management. The hires, investments director Hilary Winn, senior portfolio manager Nellis Kromhout, and research analyst Guilherme Pampolin, join as the wealth management platform’s assets under management reached £11.4 billion, up 41% year-over-year to June 2026.
- Hilar Winn role: Investments director (newly created), leading investment strategy and asset allocation
- Nellis Kromhout background: Previously senior research specialist at Standard Life; over a decade at Atomos managing MPS portfolios
- Guilherme Pampolin background: Joins from Titan Square Mile’s fund research team
- AUM growth: £11.4 billion, representing 41% annual growth
Winn, who previously held the role of investment director at Mercer and JLT Group, will report to AJ Bell Investments managing director Ryan Hughes. Kromhout will expand the firm’s bespoke portfolio solutions and Partnership MPS proposition, drawing on his decade-plus experience in managed portfolio services. Pampolin strengthens fund research capabilities across equity and fixed income coverage.
AJ Bell Investments is going from strength to strength. Assets under management have grown by 41% over the past year to £11.4 billion, driven by increasing demand from retail customers and financial advisers for our simple, easy to use and low-cost investment solutions. These appointments deepen our expertise across investment strategy, fund research and portfolio management, giving us an even stronger platform from which to scale the business, broaden our proposition and deliver consistently strong outcomes for customers.
– Ryan Hughes, AJ Bell Investments Managing Director
I’m thrilled to be joining AJ Bell at such an exciting stage in the growth of its investments business. The team has built a strong reputation for delivering high-quality, straightforward investment solutions, and I look forward to adding my experience to our award-winning investment approach and continuing to deliver great outcomes for customers.
– Hilary Winn, Investments Director, AJ Bell
AJ Bell has built a strong reputation for supporting advisers and recognising that different firms have different needs. As more firms look for flexible investment solutions tailored to their business and clients, there is a growing opportunity for bespoke MPS. It’s a great time to be joining the team, and I look forward to helping advisers develop investment solutions that reflect their individual approach and meet the evolving needs of their clients.
– Nellis Kromhout, Senior Portfolio Manager, AJ Bell
I’m delighted to be joining a growing business with such a strong reputation, led by an experienced and highly capable leadership team. I look forward to contributing to the firm’s continued success by helping deliver high-quality investment solutions across both equity and fixed income portfolios.
– Guilherme Pampolin, Research Analyst, AJ Bell
AJ Bell is a UK-based investment platform offering retail and adviser-led investment solutions including multi-asset portfolios, managed portfolio services, and fund research capabilities.

Ryan Hughes, Managing Director at AJ Bell Investments. Source: LinkedIn

Hilary Winn, Investments Director at AJ Bell. Source: LinkedIn

Nellis Kromhout, Senior Portfolio Manager at AJ Bell. Source: LinkedIn

Guilherme Pampolin, Research Analyst at AJ Bell. Source: LinkedIn
