Fun Facts: Our Daily Habits


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Jim Rudman

CEO & Partner

610.725.0290 x 422

Jim is the founder of Ashton Tweed and co-creator of the Life Sciences Talent Bank. He has specialized in identifying talent in the life sciences industry for over 25 years. Ashton Tweed was formed in 2004 to combine the flexibility and versatility of Interim Talent (highly skilled professionals on a project basis) with the art and refinement of Executive Search (very specialized talent on a retained, permanent basis). Jim is passionate about providing superior services to both candidates and clients alike. Jim and his wife have four children, and he enjoys the Philadelphia restaurant scene and the occasional Ashton cigar!

Jordan Warshafsky


610.725.0290 x 441

Jordan has over 40 years of life science industry experience with an extensive background in pharmaceuticals, medical devices and biotechnology. A co-creator of the Life Sciences Talent Bank, he has previously held industry senior corporate-level leadership positions in business development, global marketing and strategic planning to include being the President of a start-up life science company. Jordan is the company “ambassador” and can be found at many of the region’s Life Sciences Industry meetings. He is married with three wonderful sons, enjoys travelling internationally and spending time with friends and family.

Lea Wolfinger

Senior Vice President

610.725.0290 x 443

Lea has over 20 years of executive recruiting experience, with over 12 years devoted to the life sciences industry. She works in all areas of placement within the Life Sciences, with a focus on interim, interim-to-hire, and permanent positions at the executive level. Lea pioneers the development of creative strategies to identify and connect with top candidates. In addition, she works closely with Ashton Tweed partners to meet business development goals and retain client business. Due to her enthusiasm, creativity, and focus, she is a self-starter that can tackle any project. Lea also loves spending time with family and friends, traveling, and going to the beach every chance she gets.

Robert Ruth

Vice President & Managing Director

610.725.0290 x 426

Robert brings over 30 years of experience driving strategic recruitment initiatives in the pharmaceutical and life sciences segments and provides unparalleled support to his clients as a talent and trusted business adviser. Prior to joining Ashton Tweed, Robert was a Vice President and Principal at another mid-sized life science retained firm. Earlier experience includes a global leadership role at Novartis as Global Staffing Head for both the Clinical Development Franchises and Drug Safety and Epidemiology, and Head of Staffing for the US Development organization. Additional talent roles prior included Roche, Sanofi, Wyeth, Pfizer, and Aventis. Outside of the office, Robert is an accomplished musician and plays the tuba in the renowned NJ-based Hanover Wind Symphony. He also enjoys spending time with his family, music and hiking.

Mary Porreca

Vice President - Executive Recruitment

610.725.0290 x 425

Mary brings 20+ years of strategic and tactical search techniques to attract top quality candidates and has been associated with Ashton Tweed since 2004. Prior to joining Ashton Tweed, Mary enjoyed a rewarding career with Diversified Search, where she was instrumental in managing multiple on-going high profile executive searches across all disciplines. On the Corporate side, Mary worked with Lincoln Financial Group as a Staffing Consultant responsible for determining staffing needs. Mary is married and appreciates travel, music/dance, cooking, and spending time with her adult children.

Jodi Herbein

Senior Director - Administration & Accounting

610.725.0290 x 454

Jodi is happy to be overseeing the accounting at Ashton Tweed as well as handling other administrative duties. She graduated from Millersville University and has worked with a variety of different businesses. Jodi has a love for numbers and finances, but she truly enjoys the balance of accounting and administrative tasks along with getting to connect with Ashton Tweed’s candidates and clients from all around the country. Jodi is a mom to three amazing daughters, and enjoys music, working out, cooking, and her crazy dog, Curley.

Daniel Spring

Senior Research Associate


Dan eagerly works with the research team and recruiters at Ashton Tweed to effectively scour every resource, turn over every stone, and deliver the best possible candidates to clients. As a lifelong investigator with an imaginative mind, he makes sure to approach any search he’s on from every possible angle and ensure that the right person is in the right position every time. Dan loves serving the Life Sciences community at AT as it allows him to engage with his lifelong passions for helping others and learning. Before joining Ashton Tweed, Dan worked in Business Development at Modus Health Group. In his free time, he enjoys theatre, film, biking, experiencing nature, and trying out new board games with his friends.