partner.rb

class Partner
  include Mongoid::Document
  include Mongoid::Timestamps
  
  field :contact_first_name
  field :contact_last_name
end

partner_cell.rb

module Administration
  class PartnerCell < BaseCell
    property :contact_name
  end
end

partners_controller.rb

module Administration
  class PartnersController < BaseController
    respond_to :html
    def index
      authorize! :read, :partners
      
      @partners = Partner.page(params[:page])

      respond_with @partners
    end
  end
end