Nathan Poss has over 20 years of experience in both the public and private sector. His focus is to provide clients with a comprehensive range of services, including: legislative drafting and tracking, policy development, governmental lobbying (at all levels), strategy development, and business procurement.



Prior to forming JohnsonPossKirby Government Relations in 2007, Nathan served as a principal at Smith Johnson & Carr, focusing on lobbying efforts for the firm's business clients and taking the lead on procurement strategies.



Before entering into the lobbying world, Nathan served seven years on Capitol Hill as a legislative assistant to then Speaker Pro Tempore of the Senate, State Senator Bob Rochelle. During his tenure with the state, he played an important part in writing and developing legislation, organizing political strategies, building coalitions, and monitoring legislation for committees. Poss has also been actively involved in numerous successful political campaigns.



Poss has built a reputation of hard work and respect among those on Capitol Hill. Working with major players in the state's business community, he has served as a key strategist on major environmental and tax issues. Nathan has garnered a reputation for producing tangible results through well-executed and intricate lobbying efforts designed to achieve long lasting success for his clients.

In addition to his lobbying successes, Nathan has extensive experience with the procurement process in Tennessee. Recently recognized by the TN Report for being known as an "expert in the state's purchasing practices," Nathan has cultivated the necessary connections with top-level decision makers throughout all areas of state government. Throughout his practice he has developed a strong grasp of the state's purchasing processes, and has successfully secured multi-million dollar purchases for numerous clients.

Nathan is a graduate of Cumberland University with a B.A. in Social Science. A native Tennessean, Nathan grew up in Lebanon and currently lives in Green Hills with his wife Molly.

15-20 years

With twenty years of senior leadership experience in public policy and external affairs, Michael is a valued partner for business leaders navigating the intersection of the public and private sectors at the state level. Michael helps lead the state health care practice, while his passion for emerging technology has translated to a thriving practice in this space for Tremont Strategies.

Before his role as a founding partner at TSG, Michael served as Vice President for External Relations at an international medical services where he led government affairs, communications, business development and community relations.

Prior to that, Michael was Executive Vice President at a top healthcare public affairs firm, as well as Managing Partner at a multistate and federal government relations firm. Michael began his career in working in the Maine State Senate and later served as senior staff member for the Massachusetts Democratic Party.

Michael is on the Board of Directors of the Harvard Street Neighborhood Health Center and a Liaison Board Member for the Goldfarb Center for Public Affairs. Michael graduated with distinction with a degree in Government from Colby College.

0-5 years

6-10 years

Jennie served as the primary staff member for the House Education Committee.

Jennie Previously served as:
Senior Director of Government Relations and Policy, University of Memphis, 2018-2019. Built and maintained relationships, studied policy initiatives, and advocated for funding before state, local, and Federal officials. Successful in securing capital funding for the Lambuth Campus, a first for the University. Organized the inaugural University of Memphis Legislative Retreat, bringing a record 40 legislators from across Tennessee to the University of Memphis Campus.

Director of Government Relations, State Collaborative on Reforming Education (SCORE), 2014-2018. Represented Tennessee's leading education policy and advocacy organization before the Tennessee General Assembly. Successfully designed and executed a statewide roadshow for a Governor's cabinet member to interact with business and community stakeholders.

Legislative Staffer, Tennessee General Assembly, 2011-2014. Worked for the Tennessee General Assembly in several roles including Research Analyst for the House Education Committee. Developed strong working relationships with key education and business community stakeholders. Maintained a deep understanding of education-related legislation to serve as the primary policy advisor to the committee.

Fundraiser and Campaign Coordinator, Congressman Bill Cassidy, 2010-2011.

Part of Boston's State and Local Affairs practice, representing clients ranging from Fortune 50 companies to non-profits. Represents a diverse set of clients; i.e., energy, high tech, healthcare, finance, consumer, and non-profit. Mulvey manages Boston's state and municipal procurement practice.

Prior to coming to DSG, Mulvey was a Principal at Fort Hill Advisors, a boutique lobbying firm located on Beacon Hill in Boston. Mulvey also worked in the Government Law & Strategies Legal practice at the Law Firm of Brown Rudnick. He also served as General Counsel for the Retailers Association of Massachusetts.

Mulvey was born and raised in Belmont, MA. He currently resides in Reading, MA with his wife and four sons. Mulvey is a 1991 graduate of Stonehill College and a 1997 graduate of the Massachusetts School of Law.

Trammel began his time in Tennessee State politics as a key legislative liaison for the Department of Finance and Administration under Governor Haslam. During this time, he worked on the state's budget process, information systems and insurance plans and served as a vital link to the General Assembly on several topline legislative priorities.

Trammel transitioned to the private sector after the Haslam Administration to serve as a senior government relations advisor at Butler Snow. There he leveraged strategic procurement to create open channels of communication with top decision-makers and lobbied a variety of issues including health care, insurance and telecommunications.

Trammel is an alumna of the University of Tennessee�Knoxville, where he graduated magna cum laude and received his law degree from the University of Memphis. He has been listed among Ones to Watch in government relations practice by Best Lawyers in America�.

Originally from Brentwood, Trammel lives in Franklin. Outside the office, you can catch him at one of his kids' sporting events or out on the golf course.

20+ years

I served over twenty years at the local, state legislative and executive levels of government before entering the private sector. My background includes serving former Massachusetts Governor Mitt Romney as Legislative Director and working along-side the former Speaker of the Massachusetts House of Representatives, Thomas M. Finneran. I also worked as the Director of Government Relations & Educator Licensure for the Massachusetts Department of Education. Elected to two terms as a Revere, Massachusetts City Councilor-At-Large, and a member of Revere's School Committee for 6 consecutive years, I am also a licensed Superintendent, Assistant Superintendent and School Business Administrator in Massachusetts.

Throughout my career, I have been fortunate to establish lasting relationships which have led to noteworthy victories on behalf of clients. Whether it is legislative or regulatory; fiscal or procurement related, my respect, access and ability to nimbly navigate government is unrivaled.

6-10 years

Dianne began her career at the Massachusetts State House alongside freshman State Representative Marty Walsh, now former Secretary of the US Department of Labor. From there, she led public policy and intergovernmental relations for Massachusetts public safety and public health agencies. In those roles, she secured major funding for operations and capital improvements, and policies to improve services to the Commonwealth's most vulnerable residents. Shortly after Walsh became Mayor in 2014, she helped him build out Boston's first-ever Economic Development cabinet.Her experience includes public policy, legislative, and regulatory work for legislative, executive, and independent state agencies, municipal government, political campaigns, and private consulting. Dianne specializes in public safety, construction trades issues, the cannabis industry, and public health.

6-10 years

6-10 years

Julies Family Learning Program Board Member
Norwell Board of Selectman
2019- Medicine Wheels King of the Hill, presented to man of the year
Major General Henry Knox Unsung Hero
Registry of Deeds "Good Deed Award"
South Boston World War II Memorial Committee
Sons and Daughters of South Boston

Over the course of his career Rull has built a vast network of Government, Political, Non Profit and Business Officials. Rull has been fixture at Boston City Hall the past 20 years.

Joe Rull is a seasoned government, political, real estate development, procurement and operations advisor. Rull began his career in government over two decades ago when Boston Mayor Tom Menino appointed him as neighborhood liaison for the Office of Neighborhood Services and rose to become a special assistant to the Mayor. He also worked for several state agencies, primarily in capacities related to development and real estate, most notably Massachusetts Port Authority (Massport) and Division of Capital Asset Management and Maintenance (DCAMM). Rull returned to Boston City Hall as Chief of Operations for Mayor Marty Walsh overseeing The Office of Intergovernmental Affairs, The Office of Civic Engagement, Property and Construction Management, Labor Relations, Human Resources and Health Benefits, Retirement Office.

Rull has extensive political campaign experience, advising the campaigns of both Mayors Thomas Menino and Martin Walsh, Governor Deval Patrick, Senators Elizabeth Warren and Ed Markey, and Congressman Stephen Lynch to name a few.

Rull founded MJR consulting in 2015 specializing in Government Relations, Real Estate Development, Licensing, Permitting and Political Strategy.

0-5 years