Zweig White Information Services

Who We Are

We aren't one of those virtual companies made up of a band of subcontractors or downsized managers between jobs. Our company is a real one, like yours. ZweigWhite combines the skills and knowledge of over 75 talented professionals, all united in their commitment to our mission: making client and customer firms more successful. Here are just a few of our key contacts and experts.

Ian Rusk | President & CEO

Ian Rusk serves as ZweigWhite’s president and CEO, overseeing the firm’s broad array of publications, educational programs, industry conferences and advisory services.

Mark C. Zweig | Founder & Director

Mark Zweig is the leading expert in management for the architecture, engineering, planning, and environmental industry.

John Doehring | Principal & Managing Director

John Doehring advises clients on creating and executing strategic business plans, developing new business prospects, enhancing sales and marketing effectiveness, and improving organizational performance.

Claire Keerl | Vice President

Claire Keerl manages ZweigWhite's portfolio of seminars that cover business strategy, financial management, human resources, marketing, and other important topics.

Christine Brack | Principal

Christine Brack designs strategic and tactical initiatives relative to leadership, marketing, organizational structure, and operational improvement, with an emphasis on project delivery-analyzing and optimization.

Steve Gido | Principal

Steve specializes in corporate financial advisory services including mergers and acquisitions, business valuations, ownership transition plans, and strategic planning.

Giles Jacknain | Principal

Giles Jacknain has managed a wide variety of projects including strategic planning, business planning, strategic marketing, organizational structure, and executive search efforts.

Mike O'Brien | Principal

Mike specializes in corporate financial advisory services including business valuation, fairness and solvency opinions, mergers and acquisitions, internal ownership transition consulting, ESOPs, and strategic planning.

Laura Rothman | Principal

Laura Rothman is principal and managing director of ZweigWhite's Research division.

Russ Ryan | Director of Conferences and Expositions

Russ Ryan is responsible for producing ZweigWhite's extensive portfolio of A/E industry conferences and trade expositions.

Shaw-chin Chiu | Consultant

Shaw-chin Chiu advises clients on recruitment strategy, staff retention, compensation, interviewing strategies, relocation, and other human resource issues.

Susan Dell Orto | Consultant

Susan Dell Orto specializes in strategic business planning with a focus on marketing and human resource strategy.

Michael Zmugg | Consultant

Michael Zmugg works with firms with HR operations audits, compensation and benefits analysis, performance measurement, recruitment and retention, and other human capital issues.