Willis North America, a unit of Willis Group Holdings the global risk advisory, re/insurance broking, and human capital and benefits firm, announced a series of senior appointments to align its talent and resources and drive growth across the business.

Willis North America is the North American retail brokerage business of Willis Group Holdings and the company’s largest business segment.

The business, which in 2014 reported revenues of more than $1.3bn, includes more than 70 local offices across the US and Canada offering a full range of insurance and risk management services, specialist expertise and global resources to clients in every sector.

Hiram Marrero has been appointed National Partner of Willis’s South Region. He will be responsible for the firm’s operations in Alabama, Florida, Georgia, Louisiana and the Carolinas, which includes 500 Associates across 15 offices.

Based in Miami, Marrero joined Willis in 2004 and has held a variety of sales and leadership roles. Since 2012 he has served as Regional Partner for Willis’s Florida operations. Marrero assumes the role previously held by Eric Hein, who is returning to his previous role managing Willis’s North Carolina and South Carolina operations.

Rob Allen has been appointed Managing Partner, Willis Insurance Services of Georgia, Inc. Allen has deep experience in the risk and insurance industry. He joined Willis in 1994 and has served in a variety of leadership roles. Since 2009 he has served as Regional Partner of Willis’s Louisiana, Mississippi and Alabama operations.

In his new role, Allen will be responsible for Willis’s Georgia business which serves local and national clients from its offices in Atlanta as supported by 185 risk and insurance professionals. He is based in Atlanta. Allen assumes the role previously held by Paul Collins.

Paul Collins has been appointed Growth Leader for Willis’s Metro region and will be responsible for business development across Willis’s New York, New Jersey and southern Connecticut operations.

In this newly created role he will focus on recruiting, client engagement and aligning resources across Willis’s global platform to deliver best-in-class risk management solutions to Willis clients. He will also work closely with Willis’s Risk and Analytics team to deliver cutting edge analytical tools to help organizations better quantify and proactively manage risks. Collins joined Willis in 2012 and previously served as Managing Partner of Willis’s New Jersey and Georgia operations. He is based in New York.

Commenting on the appointments, Todd Jones, CEO, Willis North America said, "We are thrilled to welcome Hiram, Rob and Paul to their roles and draw from existing talent within the firm to further develop our leadership team. Each have strong track records of success in driving high levels of client satisfaction and business results, and we look forward to driving good organic revenue growth in North America."