Nana K. Twumasi | Professional Experience 


Oberlin College (B.A. English), 2002 | California College of the Arts (MFA, Writing), 2007  

May 2019-Present | Executive Editor | Callisto Media | Emeryville, CA

  • Set vision, strategy, and positioning for psychology and self help product lines in West Coast office

  • Manage and develop a team of editors, and oversee management and execution of their titles

  • Accountable for quarterly team productivity goals, budget management, and overall product quality in serving the consumer

  • Partner cross-functionally with Research & Development, Operations, and Design teams to reduce concept-to-launch cycle times and make processes more efficient

March 2015- May 2019 | Managing Editor | Callisto Media | Emeryville, CA

  • Manage publishing process from data research, through writing and editing phases, product packaging development, and final print-ready deliverables for 20-30 books annually.

  •    Initiate and lead category expansion into new markets like self-improvement, trade psychology, and Christian categories, which now account for 15% of all books published annually, with high revenue returns.

  • Source and hire freelance writers and editorial professionals, negotiating contract terms and deliverable deadlines.

  • Collaborate cross-functionally with Design department personnel and manage interior and front cover design; likewise, collaborate with Marketing department to develop appropriate marketing and publicity approach. Supervise and conceptualize book design. Collaborate and consult on like projects within the company.

  • Participate in training and mentoring new editorial staff, engage in community efforts within the company, such as diversity and inclusion initiatives, develop style guides, and streamline workflows across functions.

2014-2015 | Senior Editor | Exploratiorium | San Francisco, CA

  • Wrote, copyedited, production edited, and project managed museum-related print and digital pieces including brochures, annual reports, posters, postcards, invitations, eBlasts and programs.

  • Collaborated with design and online media departments, providing copyediting and proofreading support as needed.

2013-2014 | Manager: Copywriting and Editing | Changelab Solutions | Oakland, CA  

  •   Pitched, researched, and wrote pieces on the topic of public health policy and wellness interests for external publications and advised on overarching communications strategies.

  • Managed website content, blog posts and letters to the editor, constructing email blasts and newsletters to target audience

 2008-2019 | Editor | Monday Night Literary Journal | Oakland, CA

  • Highlight the greater literary conversation by curating literature by new voices and offering new perspectives.

  •   Reviewed and evaluated prose and poetry submissions for diverse content and fresh viewpoints.

  • Organized journal release parties and literary events.

  •   Maintained and updated website articles and essays.

2007-2013 | Editorial Assistant/Editorial Program Coordinator | John Wiley & Sons Publishers, Inc. | San Francisco, CA

  • Reviewed manuscripts for publishing potential and edited manuscripts, jacket, and catalog copy.

  • Researched and developed projects in the K-12 education category and represented company at industry conferences and trade shows.