Tina Ross-Gower

Tina Ross-Gower

Operations Manager

Tina joined Castel in February 2015 having worked at Willis Ltd for 24 years within legal and risk management, handling the group’s insurance programme. 

In 2001, she began managing the technical and operations team within the professional indemnity practice. 

Tina is ACII qualified and has assisted in FCA audits, contract quality control and meeting contract certainty requirements. 

Outside of work, Tina enjoys travelling.

Edward Yost

Edward Yost

Compliance Manager

Edward has over 20 years' experience in the insurance industry and has held senior governance and compliance positions in both the direct and intermediated markets.

Before joining Castel, Edward was a founder member of iprism, a tech-led underwriting agency, and was responsible for the compliance and agency function. Prior to this, he was the compliance manager for Home and Legacy, (Allianz), a MNW/HNW specialist.

Outside of work, Edward is an enthusiastic skier and tennis player. He is also a Liveryman of the Worshipful Company of Curriers and an active volunteer for a number of Charitable Organisations in London.

John Ryan

John Ryan

Binding Authority Manager

John has worked in the London Market for over 15 years, previously working at Coyle Hamilton, Willis Ltd, Canopius and QBE. Between 2002 and 2010, John started working as a property account handler at Coyle Hamilton and then progressed to account manager, which involved broking HNW property/scheme risks in Open Market and Binding Authorities at Willis. In 2009, John moved into Delegated Authority department within operations at Canopius and then moved into Agency Management within underwriting. In 2016, he then moved to QBE as a DUA Manager, managing various portfolios across the UK/Europe division and then to Castel at the end of 2017 as Binding Authority Manager. 

Outside of work, John enjoys spending time with his young family and is a keen sports fan.

Arpna Bhalla

Arpna Bhalla

Exposure Manager

Arpna has over 10 years' experience in the insurance market primarily in Catastrophe Modelling and Exposure Management. Having worked for companies such as Catlin, Brit and AIG in this field, she was also an Energy Expert Consultant for DXC for 4 years before joining Castel in August 2018. At Castel, Arpna manages the exposure and aggregation of all underwriting cells.

Outside of work, Arpna enjoys reading, socialising and spending time with her kids.

Tanzina Zaman

Aggregations Analyst Assistant

Tanzina joined Castel in January 2020. Prior to attending university, Tanzina spent a year within the Operations team as an Underwriting Support Assistant at CNA Hardy.

Tanzina graduated in June 2019 from the University of Cambridge with a Bachelor’s degree in Natural Sciences. Her role includes supporting the Exposure Manager for different Underwriting Cells.

Outside of work, Tanzina enjoys kickboxing, baking and travelling.”

Rebecca Phillips

Rebecca Phillips

Underwriting Services Assistant Manager

Rebecca has worked in the Operational/Technical side of insurance for over 15 years mainly in the Professional Indemnity sector. This is made up of JLT for almost 7 years and Willis for 8 years. Rebecca also managed an Underwriting Support team for another MGA before joining Castel in November 2016. 

Rebecca supports Tina in the day to day running of the Underwriting Service team to ensure all work for the Underwriting Cells is allocated and effectively dealt with. 

Outside of work Rebecca enjoys walking and participates in Zumba 2-3 times a week.

Frederick Haggerwood-Bullen

Frederick Haggerwood-Bullen

Underwriting Services Assistant 

Freddie began his insurance career in 2014 with AmTrust at Lloyd’s before moving to Barbican Insurance Group. 

He has worked for a wide range of different classes of business. 

Freddie joined Castel in September 2015 working in the operations team, supporting all underwriting cells. 

He recently changed role and now works to implement and maintain the underwriting system.

Outside of work, Freddie enjoys socialising, playing squash and travelling.

Charlie Wright

Charlie Wright

Underwriting Services Assistant

Charlie began his insurance career in 2013, working for Randall & Quilter Investment Holding as a Reinsurance Technician, providing data input for multiple Lloyd’s syndicates. In 2015, Charlie moved to Novae as an Underwriting Support Technician, which involved supporting with data input and providing support to the underwriters for multiple classes of business.

Charlie joined Castel in October 2017, working within the Underwriting Services team, supporting Castel Specialty.

In his spare time, Charlie enjoys going to the gym, dancing and socialising.

Charlie White

Underwriting Services Assistant

Charlie graduated with a 1st Class Honours degree in Sports Business Management, before joining Castel as an Intern in late 2018. Following this period, Charlie joined the Underwriting Services team full time with an initial focus on the casualty lines of business.

Away from the office, Charlie enjoys playing golf, cricket and watching Everton.

Lottie Holliday

Portfolio Manager

Lottie joined Castel as their Portfolio Manager in November 2019.

She started her (re) insurance career is 2013 joining Guy Carpenters Non Marine Specialty team as a Reinsurance Broker assisting on Global accounts. After four years she moved internally to the North American Treaty division as an Assistant Vice President, working on Nationwide and Regional accounts in the USA.

Lottie has a BA (Hons) degree in Marketing and before joining the industry worked as the Marketing Assistant at KPMG/ Boxwood.

Outside of work, she has a passion for running, cooking, socializing and travelling.

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