Director, Business Development - Eastern U.S.

We are seeking a high-performing Director, Business Development, Eastern U.S., to join our growing commercial team, focused on building and expanding strategic relationships in the Cell and Gene Therapy (CGT) space. The ideal candidate is a proven hunter who thrives on identifying and developing new business, understands the complex needs of biopharma clients, and can confidently represent technical capabilities across multiple advanced therapy modalities. As part of a cutting-edge CDMO organization, you will be responsible for driving revenue growth and expanding our footprint with biotech and pharma partners across the U.S. Key Responsibilities · Prospect, identify, and close new business opportunities within the CGT ecosystem, including biotech, pharma, and emerging therapeutics companies · Generate new business by actively engaging with potential clients, qualifying them, and ultimately converting them into paying clients · Develop and manage a territory plan focused on early stage to commercial partnerships · Effectively communicate technical capabilities in viral vector manufacturing, mRNA production, and cell & gene therapy platforms, with support from technical subject matter experts · Build strong, trust-based relationships with decision-makers across R&D, CMC, AP/PD, manufacturing and senior leadership teams · Drive the full sales cycle from lead generation through proposal development, negotiation, and close · Maintain accurate pipeline management and forecasting using CRM tools · Collaborate cross-functionally with marketing, technical teams, and program management to support client onboarding and long-term success · Consistently meet or exceed quarterly and annual forecast quotas Qualifications · 5+ years of successful B2B sales experience, with a minimum of 2 years selling into the CGT/CDMO space · Strong understanding of viral vectors, mRNA, and/or cell & gene therapy platforms — deeper technical knowledge in at least one modality required · Bachelor’s degree in a scientific discipline required; Master’s or PhD preferred · Prior hands-on lab experience is highly valued and will support credibility with scientific buyers · Proven track record of consistently meeting or exceeding quota · Demonstrated ability to build and grow new accounts with minimal oversight · Highly self-motivated, strategic thinker, and comfortable navigating technical, multi-stakeholder sales cycles · Excellent verbal and written communication skills, with the ability to tailor messages to both scientific and business audiences - Ideally, candidate is located in the Northeast; other locations considered with strong qualifications Landmark Bio is a Watertown, Massachusetts–based company focused on advancing the development and manufacturing of genetic medicines and other advanced therapies. The organization provides CMC development and GMP manufacturing capabilities for cell and gene therapies and works with industry partners to develop scalable manufacturing approaches that help bring new therapies to patients. Landmark Bio is an Equal Opportunity, Affirmative Action employer. Minorities, women, veterans, and individuals with disabilities are encouraged to apply.